Nonprofit · EIN 13-1628143
AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY
Tax-exempt · NEW YORK, NY 10024
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $1,896,213 | $2,880,847 | -$984,634 | $36,514,908 | $885,450 | $35,629,458 |
| June 30, 2024 | 990 | $202,172 | $2,883,315 | -$2,681,143 | $37,499,542 | $885,450 | $36,614,092 |
| June 30, 2023 | 990 | $805,657 | $2,757,387 | -$1,951,730 | $40,180,685 | $885,450 | $39,295,235 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $1,896,213
- Program service revenue
- $0
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Accounting fees
- $21,730
- Depreciation
- $2,761,453
- Program services (functional)
- $2,761,453
- Management and general (functional)
- $119,394
Balance sheet and other
- Total assets, start of year
- $37,499,542
- Total assets, end of year
- $36,514,908
- Total liabilities, end of year
- $885,450
- Net assets, end of year
- $35,629,458
- Land, buildings and equipment
- $36,514,908
- Net assets without donor restrictions
- $35,629,458
- Gross receipts
- $1,896,213
- Employees
- 0
- Volunteers
- 0
- Year formed
- 1933
- State of legal domicile
- NY
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| DANIEL SLIPPEN | EXECUTIVE DIRECTOR AND CFO Officer | 3 | $0 | $381,554 | $73,148 |
| ALFRED CERULLO | TREASURER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| KATHERYN PATTERSON | CHAIRMAN Trustee or director, Officer | 3 | $0 | $0 | $0 |
| ROSS SANDLER | SECRETARY Trustee or director, Officer | 2 | $0 | $0 | $0 |
990 for the year ended June 30, 2024: 4 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| DANIEL SLIPPEN | EXECUTIVE DIRECTOR AND CFO Officer | 3 | $0 | $360,418 | $67,633 |
| ALFRED CERULLO | TREASURER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| KATHERYN PATTERSON | CHAIRMAN Trustee or director, Officer | 3 | $0 | $0 | $0 |
| ROSS SANDLER | SECRETARY Trustee or director, Officer | 2 | $0 | $0 | $0 |
990 for the year ended June 30, 2023: 4 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| DANIEL SLIPPEN | EXECUTIVE DIRECTOR AND CFO Officer | 3 | $0 | $325,403 | $74,050 |
| ALFRED CERULLO | TREASURER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| KATHERYN PATTERSON | CHAIRMAN Trustee or director, Officer | 3 | $0 | $0 | $0 |
| ROSS SANDLER | SECRETARY Trustee or director, Officer | 2 | $0 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- CENTRAL PARK WEST AT 79TH STREET, NEW YORK, NY 10024-0000
- In care of
- % DANIEL STODDARD
- Mailing address (990-N for 2007)
- Central Park West at 79th Street, New York NY 10024
- Principal officer (990 for 2024)
- DANIEL SLIPPEN, Central Park West at 79th Street, New York, NY 10024
- Principal officer (990-N for 2007)
- Ellen V Futter, Central Park West at 79th Street, New York NY 10024
- Signed the 990
- DANIEL SLIPPEN, EXECUTIVE DIRECTOR
- Phone
- (212) 769-5053
- Website
- www.amnh.org
- Return prepared by
- GRANT THORNTON ADVISORS LLC
Mission
SEE SCHEDULE O
Program accomplishments
- THE ORGANIZATION OWNS A PLANETARIUM WITH ASSOCIATED EXHIBITS TO ENCOURAGE AND DEVELOP THE STUDY OF ASTRONOMICAL SCIENCE AND TO ADVANCE THE KNOWLEDGE OF KINDRED SUBJECTS. THE PLANETARIUM IS OPEN TO THE PUBLIC 363 DAYS A YEAR AND IS OPERATED UNDER A LEASE AND OPERATING AGREEMENT WITH THE AMERICAN MUSEUM OF NATURAL HISTORY.Expenses $2,761,453
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 13-1628143
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1936
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A500)
- Assets (IRS master file)
- $36,514,908
- Income (IRS master file)
- $1,896,213
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $1,896,213 | $2,880,847 | $36,514,908 | IRS |
| 990 | June 2024 | $202,172 | $2,883,315 | $37,499,542 | IRS |
| 990 | June 2023 | $805,657 | $2,757,387 | $40,180,685 | XML |
| 990 | June 2022 | $104,373 | $2,744,977 | $42,132,415 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | IRS |
| 990-N for 2007 Officer: Ellen V Futter | June 30, 2008 | ≤ $50,000 receipts | – | – | e-Postcard |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 13-1628143).
Questions about AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY
- What is the EIN of AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY?
- The employer identification number (EIN) of AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY is 13-1628143.
- Is AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1936.
- Are donations to AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY?
- The 990 for the year ended June 30, 2025 names DANIEL SLIPPEN.
- Who are the officers and directors of AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY?
- The 990 for the year ended June 30, 2025 lists 4 people; 0 received compensation from the organization.
- How much revenue does AMERICAN MUSEUM OF NATURAL HISTORY PLANETARIUM AUTHORITY have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $1,896,213, expenses of $2,880,847 and total assets of $36,514,908 at year end.
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