Liabilities / Assets
88th percentile
Higher debt load relative to assets than 88% of similar nonprofits.
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
88th percentile
Higher debt load relative to assets than 88% of similar nonprofits.
Liabilities / Revenue
54th percentile
Higher debt load relative to revenue than 54% of similar nonprofits.
Net Margin
33rd percentile
Higher net margin than 33% of similar nonprofits.
Top Officer Pay
70th percentile
Higher top officer pay than 70% of similar nonprofits.
Top officer pay equals 1.6% of source-year revenue.
Asset Growth
91st percentile
Faster asset growth than 91% of similar nonprofits.
Revenue Growth
41st percentile
Faster revenue growth than 41% of similar nonprofits.
Assets
Up$5,644,697
Up $2,020,158 (+56%) from 2019
Net Assets
Down$760,210
Down $90,573 (-11%) from 2019
Liabilities
Up$4,884,487
Up $2,110,731 (+76%) from 2019
Revenue
Down$15,041,893
Down $156,963 (-1.0%) from 2019
Expenses
Up$15,120,352
Up $93,062 (+0.6%) from 2019
Net Income
Down-$78,459
Down $250,025 (-146%) from 2019
The Planetary Science Institute studies the origin, characteristics, and evolution of planetary systems, including our solar system, Earth itself, and planetary systems around other stars. We convey the resulting knowledge to the scientific community, and to the public at large to promote science education and science literacy. We further use this knowledge to advance human activity in space and shape the future of robotic exploration of the solar system.
Solar system exploration, comparative planetology, science education and public outreach
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $1,008,555 | $2,646,817 | ▲ $1,638,262 |
| Pledges and Grants Receivable | $1,210,153 | $1,610,683 | ▲ $400,530 |
| Land, Buildings, and Equipment, Net | $1,079,614 | $1,081,291 | ▲ $1,677 |
| Savings and Temporary Cash Investments | $284,904 | $285,072 | ▲ $168 |
| Loans From Officers Directors | $90,000 | $64,000 | ▼ $26,000 |
| Prepaid Expenses and Deferred Charges | $41,313 | $20,834 | ▼ $20,479 |
| Total Assets | $3,624,539 | $5,644,697 | ▲ $2,020,158 |
| Liabilities | |||
| Mortgage Notes Payable Secured by Investment Property | $853,723 | $2,692,086 | ▲ $1,838,363 |
| Accounts Payable and Accrued Expenses | $1,751,079 | $2,084,586 | ▲ $333,507 |
| Deferred Revenue | $78,954 | $43,815 | ▼ $35,139 |
| Total Liabilities | $2,773,756 | $4,884,487 | ▲ $2,110,731 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $743,933 | $651,282 | ▼ $92,651 |
| Net Assets With Donor Restrictions | $106,850 | $108,928 | ▲ $2,078 |
| Total Net Assets Fund Balance | $850,783 | $760,210 | ▼ $90,573 |
| Total Liabilities and Net Assets / Fund Balance | $3,624,539 | $5,644,697 | ▲ $2,020,158 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $994,226 | $924,709 | $1,918,935 |
| Equipment | $87,065 | $973,404 | $1,060,469 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Mark V Sykes | CEO / Trustee | FT | $191,267 | $52,605 | $243,872 |
| Bruce D Barnett | CFO / Treasurer | FT | $172,895 | $57,268 | $230,163 |
| Amanda R Hendrix | Senior Scientist | FT | $172,224 | $48,419 | $220,643 |
| Catherine M Weitz | Senior Scientist | FT | $162,812 | $41,151 | $203,963 |
| Maurizio A Ienna-Balistreri | COO / Secretary | FT | $141,054 | $57,749 | $198,803 |
| Robert W Gaskell | Senior Scientist | FT | $164,466 | $25,497 | $189,963 |
| Thomas H Prettyman | Senior Scientist | FT | $151,452 | $36,526 | $187,978 |
| Candice J Hansen-Koharcheck | Senior Scientist | FT | $160,992 | $26,349 | $187,341 |
| Name | Title |
|---|---|
| Scott Fouse | Trustee/Board Chair |
| Madelyn Creedon | Trustee/Vice Chair |
| Tim Hunter | Trustee |
| William Craig | Trustee |
| William Hartmann | Trustee |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $10,665,379 |
| Other Expenses | $4,454,973 |
| Total Fundraising Expense | $32,296 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $7,246,446 | $551,096 | $12,372 | $7,809,914 |
| Pension Plan Contributions | $823,648 | $96,987 | $1,732 | $922,367 |
| Other Employee Benefits | $636,844 | $89,369 | $1,441 | $727,654 |
| Payroll Taxes | $551,991 | $77,429 | $1,015 | $630,435 |
| Current Officers, Directors, Trustees, and Key Employees | $215,989 | $359,020 | - | $575,009 |
| Occupancy | $238,657 | $51,251 | - | $289,908 |
| Travel | $286,528 | - | - | $286,528 |
| Information Technology | $177,553 | $44,441 | - | $221,994 |
| Depreciation Depletion | $166,072 | $35,003 | - | $201,075 |
| All Other Expenses | $50,953 | $19,611 | $14,178 | $84,742 |
| Office Expenses | $67,423 | $14,942 | $1,194 | $83,559 |
| Interest | $24,202 | $34,668 | - | $58,870 |
| Fees for Services Accounting | - | $46,429 | - | $46,429 |
| Other Expenses | $42,288 | $3,580 | $209 | $46,077 |
| Fees for Services Other | $10,561 | $30,409 | - | $40,970 |
| Insurance | - | $25,991 | - | $25,991 |
| Conferences and Meetings | $873 | $104 | - | $977 |
| Advertising | $548 | $79 | - | $627 |
| Fees for Services Legal | - | $180 | - | $180 |
| Total Functional Expenses | $13,568,142 | $1,519,914 | $32,296 | $15,120,352 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $15,120,352 |
| Total Expenses per Audited Statements | $15,120,352 |
| Total Expenses per Form 990 | $15,120,352 |
| Expenses Not Reported on Financial Statements | $0 |
| Expenses Not Reported on Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Loans from Officers, Directors, Trustees, and Key Employees | $90,000 | $64,000 | ▼ $26,000 |
“Planetary Science Institute does not have committees that have authority to act on behalf of the governing body.”
“The COO coordinates the preparation of the tax return with the Institute's independent auditing firm, which is selected by Board resolution. The COO and CFO review the tax return line by line and discuss all elements of the return with the CEO. After final review and discussion, the CFO signs the tax return. Other members of the Board are provided a copy of the return prior to the return being filed.”
“At the beginning of each term, trustees and officers are required to sign a conflict of interest statement that is maintained in the organization's records. Trustees and management ensure that transactions surrounding the conflict, if any, are made at arms-length.”
“Compensation for the CEO and CFO are reviewed, discussed, and approved by the Board of Directors.”
“The organization's financial statements, governing documents, etc. are made available to the public upon request.”
“The Institute is exempt from federal income taxes under Section 501(c)(3) of the Internal Revenue Code. The Institute is also exempt from state income taxes. Accordingly, no provision for federal or state income taxes is recorded in the accompanying financial statements. Management is not aware of any matters which would cause the Institute to lose its tax-exempt status. However, income from certain activities not directly related to the Institute's tax-exempt purpose, may be subject to taxation as unrelated business income. Management has considered its tax positions and believes that all of the positions taken in its federal and state exempt organization tax returns are more likely than not to be sustained upon examination. The Institute's returns are subject to examination by federal and state taxing authorities, generally for three years and four years, respectively, after they are filed. The Institute recognizes interest and penalties related to unrecognized tax benefits in operating and general expenses in the accompanying financial statements. During the years ended September 30, 2020 and 2019, the Institute did not recognize any interest and penalties.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 1751079 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 2084586 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | Solar system exploration, comparative planetology, science education and public outreach |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 79 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 548 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 627 |
| IRS990/AllOtherContributionsAmt | 0 | 134744 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 14178 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 19611 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 50953 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 84742 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | The Organization |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5206226300 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1700 E Ft Lowell Rd No 106 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Tucson |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | AZ |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 85719 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 1008555 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 2646817 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 359020 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 215989 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 575009 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 104 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 873 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 977 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 134744 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 12173 |
| IRS990/CYOtherExpensesAmt | 0 | 4454973 |
| IRS990/CYOtherRevenueAmt | 0 | -177 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 14895153 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -78459 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 10665379 |
| IRS990/CYTotalExpensesAmt | 0 | 15120352 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 32296 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 15041893 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 78954 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 43815 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 35003 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 166072 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 201075 |
| IRS990/Desc | 0 | The Planetary Science Institute (PSI) is a nonprofit science research and educational organization with an established record of excellence in solar system exploration, comparative planetology, science education and public outreach. PSI has scientists in 30 states, the District of Columbia, and other locations around the world. In the fiscal year ending September 30, 2020, PSI scientists operated instruments on NASA's Mars Science Laboratory and JUNO missions and provided science team support for these and NASA's Mars Reconnaissance Orbiter, Lunar Reconnaissance Orbiter, New Horizons mission and the OSIRIS-REx mission, ESA's Mars Express, and Japan's Akatsuki mission at Venus.The PSI observatory was used to search for atmospheric collapse on Jupiter's volcanic moon Io, it conducted nightly observations of comets to monitor outbursts, and did detailed studies of comet C/2020 F3 (NEOWISE) to measure variability in sodium emission as a function of distance from the Sun. PSI scientists determined that glacial melting was causing a rapid rise of glacial lakes in the Himalayas, increasing hazards to development. They determined that impacts on asteroids erase small craters, that salt water may periodically form on the surface of Mars, and that muddy rains on Mars created some of its most ancient highlands. They also determined that Mercury may have been volatile rich at one time.PSI scientists were awarded research grants and contracts to conduct diverse research and laboratory studies covering the Moon, Mars, asteroids, comets, meteorites, outer planet satellites, solar system dynamics, solar system origins, planets around other stars, and other areas.PSI is responsible, as part of NASA's Planetary Data System, for archiving all mission data involving asteroids, comets and interplanetary dust and making it available to the general science community and public. PSI scientists engaged in public outreach through art, writing children's books, popular science books, and public lectures and broadcast events such as Discovery Channel and BBC specials. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 106850 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 108928 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 154 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 13568142 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditPerformedInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 1 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 46429 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 46429 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 180 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 180 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 30409 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 10561 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 40970 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 39.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 35.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 35625 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 40288 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 42479 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 45109 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 35814 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 23025 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 22539 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 34151 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Scott Fouse |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Madelyn Creedon |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Tim Hunter |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | William Hartmann |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | William Craig |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Mark V Sykes |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Bruce D Barnett |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Maurizio A Ienna-Balistreri |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Amanda R Hendrix |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Catherine M Weitz |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Robert W Gaskell |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Candice J Hansen-Koharcheck |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Thomas H Prettyman |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 208247 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 189875 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 156324 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 175534 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 168149 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 166938 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 164802 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 153827 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Trustee/Board Chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Trustee/Vice Chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | CEO / Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | CFO / Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | COO / Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Senior Scientist |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Senior Scientist |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Senior Scientist |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Senior Scientist |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Senior Scientist |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1986 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 6 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 15041893 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 6 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 24 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 44441 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 177553 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 221994 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 25991 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 25991 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 34668 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 24202 |
| IRS990/InterestGrp/TotalAmt | 0 | 58870 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 12173 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 12173 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 32 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1898113 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 1079614 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 1081291 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 2979404 |
| IRS990/LegalDomicileStateCd | 0 | AZ |
| IRS990/LoanOutstandingInd | 0 | 1 |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 90000 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 64000 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 0 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | The Planetary Science Institute studies the origin, characteristics, and evolution of planetary systems, including our solar system, Earth itself, and planetary systems around other stars. We convey the resulting knowledge to the scientific community, and to the public at large to promote science education and science literacy. We further use this knowledge to advance human activity in space and shape the future of robotic exploration of the solar system. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 853723 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 2692086 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 850783 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 760210 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -12114 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 743933 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 651282 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 51251 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 238657 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 289908 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 1194 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 14942 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 67423 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 83559 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 1441 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 89369 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 636844 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 727654 |
| IRS990/OtherExpensesGrp/Desc | 0 | Subcontracted Research |
| IRS990/OtherExpensesGrp/Desc | 1 | Consulting |
| IRS990/OtherExpensesGrp/Desc | 2 | Communications |
| IRS990/OtherExpensesGrp/Desc | 3 | Publication Costs |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 155 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 209 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 39325 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 3580 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 2718192 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 264197 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 45177 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 42288 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 2718192 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 264197 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 84657 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 46077 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 541700 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | Other Revenue |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | -177 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | -177 |
| IRS990/OtherRevenueTotalAmt | 0 | -177 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 12372 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 551096 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 7246446 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 7809914 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 1015 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 77429 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 551991 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 630435 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 1732 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 96987 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 823648 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 922367 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 1210153 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 1610683 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 41313 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 20834 |
| IRS990/PrincipalOfficerNm | 0 | Bruce Barnett |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 541700 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Grant Revenue |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 14895153 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 14895153 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 180315 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 9347 |
| IRS990/PYOtherExpensesAmt | 0 | 4364832 |
| IRS990/PYOtherRevenueAmt | 0 | 17855 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 14991339 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 171566 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 10662458 |
| IRS990/PYTotalExpensesAmt | 0 | 15027290 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 15198856 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -78459 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 14895153 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 284904 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 285072 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 15029897 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 15198731 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 13124964 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 20084050 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 11654342 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 75091984 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 12173 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 9347 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 6917 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 6482 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1443 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 36362 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 290 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 3523 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 10491 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 14304 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.99930 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.99940 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 75091984 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 15029897 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 15198731 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 13124964 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 20084050 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 11654342 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 75091984 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 75142650 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 994226 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 924709 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 1918935 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 87065 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 973404 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 1060469 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 15120352 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | -12114 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | -12114 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 15041893 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | The Institute is exempt from federal income taxes under Section 501(c)(3) of the Internal Revenue Code. The Institute is also exempt from state income taxes. Accordingly, no provision for federal or state income taxes is recorded in the accompanying financial statements. Management is not aware of any matters which would cause the Institute to lose its tax-exempt status. However, income from certain activities not directly related to the Institute's tax-exempt purpose, may be subject to taxation as unrelated business income. Management has considered its tax positions and believes that all of the positions taken in its federal and state exempt organization tax returns are more likely than not to be sustained upon examination. The Institute's returns are subject to examination by federal and state taxing authorities, generally for three years and four years, respectively, after they are filed. The Institute recognizes interest and penalties related to unrecognized tax benefits in operating and general expenses in the accompanying financial statements. During the years ended September 30, 2020 and 2019, the Institute did not recognize any interest and penalties. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Part X, Line 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 1081291 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 15120352 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 15041893 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 15029779 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 15120352 |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | 0 |
| IRS990ScheduleJ/BoardOrCommitteeApprovalInd | 0 | X |
| IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd | 0 | 0 |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | 0 |
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Displayed year
2020 • Form 990Detailed filing. Detailed filing data is available for this year.