Planetary Science Institute: Single Audit Reports and Findings

Planetary Science Institute filed 10 single audits between 2016 and 2025; the most recently observed auditor is Keegan Linscott & Associates, PC (2025), and the 2025 report lists 0 findings. Data as of 2026-11-06.

Data as of Nov 6, 2026 · Source: Federal Audit Clearinghouse (public data)

Single audits by year

One row per audit year as the Federal Audit Clearinghouse accepted it. The auditor named is the one observed on that filing; Planetary Science Institute is recorded in TUCSON, Arizona under EIN 330175263, and the Clearinghouse records it as a nonprofit. Each report opens on the Clearinghouse itself; how to search the Federal Audit Clearinghouse explains the rest of the reporting package.

Single audits filed by Planetary Science Institute
Audit yearFiscal year endFederal expendedThreshold appliedAuditor observedFindingsMW / SDFAC report
20252025-09-30$16,480,754$1,000,000Keegan Linscott & Associates, PC0—2025-09-GSAFAC-0000405507
20242024-09-30$17,242,766$750,000Keegan Linscott & Associates, PC0—2024-09-GSAFAC-0000353468
20232023-09-30$17,431,590$750,000Keegan Linscott & Associates, PC0—2023-09-GSAFAC-0000024321
20222022-09-30$17,733,786$750,000Keegan Linscott & Associates, PC0—2022-09-CENSUS-0000245806
20212021-09-30$15,073,519$750,000Keegan Linscott & Associates, PC0—2021-09-CENSUS-0000245806
20202020-09-30$14,642,133$750,000Keegan Linscott & Associates, PC0—2020-09-CENSUS-0000245806
20192019-09-30$14,842,370$750,000R & A CPAS0—2019-09-CENSUS-0000245806
20182018-09-30$12,258,838$750,000R & A CPAS0—2018-09-CENSUS-0000245806
20172017-09-30$11,005,009$750,000R & A CPAS0—2017-09-CENSUS-0000245806
20162016-09-30$7,032,099$750,000R & A CPAS0—2016-09-CENSUS-0000245806

When is the next single audit due?

If Planetary Science Institute is again required to have a single audit for the fiscal year ending Sep 30, 2026, the reporting package is due to the Federal Audit Clearinghouse by Jun 30, 2027 at the latest.

Whether an audit is required depends on federal awards expended in that year (the single audit threshold). The rule, 2 CFR 200.512(a): the reporting package is due within 30 calendar days after the auditee receives the auditor's report or nine months after the end of the audit period, whichever is earlier; the date above is the nine-month date, moved to Monday when it falls on a weekend. Last verified: 2026-11-15.

Which federal programs did this organization report?

From the most recent accepted report, as listed on its schedule of expenditures of federal awards (SEFA). "Major" is the designation the auditor made under 2 CFR 200.518, not ours.

Federal programs on the most recent report
ALNProgramExpendedMajor
43.001SCIENCE$1,067,711Yes
43.001SCIENCE$462,864Yes
43.001SCIENCE$427,058Yes
43.001SCIENCE$337,323Yes
43.001SCIENCE$305,129Yes
12.800AIR FORCE DEFENSE RESEARCH SCIENCES PROGRAM$283,455Yes
43.001SCIENCE$271,499Yes
43.001SCIENCE$271,423Yes
43.001SCIENCE$242,972Yes
43.001SCIENCE$241,575Yes
43.001SCIENCE$239,078Yes
43.001SCIENCE$236,771Yes
43.001SCIENCE$217,632Yes
43.001SCIENCE$216,095Yes
43.001SCIENCE$202,912Yes
43.001SCIENCE$194,312Yes
43.001SCIENCE$191,213Yes
43.001SCIENCE$190,490Yes
43.001SCIENCE$183,068Yes
47.049MATHEMATICAL AND PHYSICAL SCIENCES$178,695Yes
43.001SCIENCE$178,476Yes
43.001SCIENCE$169,768Yes
43.001SCIENCE$168,444Yes
43.001SCIENCE$162,459Yes
43.001SCIENCE$157,953Yes

What findings did the auditor report?

The reference is the auditor’s; the requirement is the Compliance Supplement category the auditor selected. The finding text itself is not reproduced here; the FAC report linked above carries it in full. What the two severity levels mean: material weakness vs significant deficiency.

The most recent report lists no finding.

Form 990 and IRS registration

Form 990 "accounting fees" (Part IX line 11c) cover all accounting services reported by the organization and are not the price of an audit engagement.

Where to find the return itself, and what our Form 990 data covers: Form 990 lookup.

Most recent return
990 for 2025-09
Total revenue
$17,044,515
Total assets
$4,777,031
Accounting fees (Part IX line 11c)
$40,000
Paid preparer
Keegan Linscott & Associates PC
IRS object id
202632229349302013
Exempt under
501(c)(3)
Ruling year
1986
BMF release
2026-10-20

Read next

How we computed this

Every row comes from the Federal Audit Clearinghouse record named beside it, one report per audit year, with a resubmission superseding the filing it replaces. The auditor is the one named on that filing — it is not a statement about who audits Planetary Science Institute now. Form 990 figures come from the IRS e-filed return named by its object id. This page exists because the organization filed at least two single audits, or one with a finding.

Cite this page

AuditRadar. “Planetary Science Institute, Arizona Single Audits 2016–2025.” https://getauditradar.com/single-audits/az/planetary-science-institute-330175263/. Data as of 2026-11-06.