Nonprofit · EIN 21-0735173
AMERICAN ASTRONOMICAL SOCIETY
Tax-exempt · WASHINGTON, DC 20006
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $21,867,046 | $21,688,245 | $178,801 | $25,528,282 | $12,203,368 | $13,324,914 |
| December 31, 2023 | 990 | $19,197,016 | $21,907,187 | -$2,710,171 | $25,423,957 | $13,347,489 | $12,076,468 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $2,286,816
- of which government grants
- $698,755
- Membership dues
- $1,191,472
- Program service revenue
- $19,118,985
- Investment income
- $385,411
- Net gain from sales of assets
- $3,377
- Other revenue
- $75,834
Expenses
- Grants and similar amounts paid
- $941,589
- Compensation of officers, directors and key employees
- $1,199,936
- Other salaries and wages
- $6,532,872
- Salaries, compensation and benefits (total)
- $9,416,821
- Professional fundraising fees
- $0
- Legal fees
- $74,888
- Accounting fees
- $81,711
- Travel
- $662,517
- Depreciation
- $751,287
- Program services (functional)
- $17,402,334
- Management and general (functional)
- $4,285,911
Balance sheet and other
- Total assets, start of year
- $25,423,957
- Total assets, end of year
- $25,528,282
- Total liabilities, end of year
- $12,203,368
- Net assets, end of year
- $13,324,914
- Land, buildings and equipment
- $818,245
- Publicly traded securities
- $13,599,704
- Net assets without donor restrictions
- $8,589,622
- Net assets with donor restrictions
- $4,735,292
- Gross unrelated business income
- $906,105
- Gross receipts
- $21,973,671
- Employees
- 46
- Volunteers
- 250
- Year formed
- 1899
- State of legal domicile
- DC
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 December 31, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KEVIN B MARVEL | EXECUTIVE OFFICER Officer | 35 | $480,809 | $146,933 |
| ETHAN VISHNIAC | EDITOR-IN-CHIEF Highest-paid employee | 35 | $278,153 | $54,658 |
| KELLY E CLARK | CHIEF FINANCIAL AND OPERAT Officer | 35 | $256,185 | $44,553 |
| JOEL PARRIOTT | DIRECTOR OF PUBLIC POLICY/ Officer | 35 | $237,981 | $33,474 |
| RODNEY NENNER | DIRECTOR OF STRATEGIC PART Highest-paid employee | 35 | $147,915 | $43,432 |
| DIANE FRENDAK | DIRECTOR OF MEMBERSHIP SERVICES Highest-paid employee | 35 | $112,723 | $48,439 |
| MICHELE STEVENSON | DIRECTOR OF MEETINGS & OPERATIONS Highest-paid employee | 35 | $113,618 | $24,253 |
| SYLVIA MARTINEZ | DIRECTOR OF HR Highest-paid employee | 35 | $122,129 | $13,926 |
| JACK BURNS | TREASURER Trustee or director, Officer | 2 | $40,000 | $0 |
| DARA NORMAN | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| GRANT TREMBLAY | SENIOR VICE PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| DAWN GELINO | SECOND VICE PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| ALICE K B MONET | SECRETARY Trustee or director, Officer | 10 | $0 | $0 |
| EDWIN BERGIN | THIRD VICE PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| DANIEL DALE | AT-LARGE TRUSTEE Trustee or director | 1 | $0 | $0 |
4 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| GREGORY RUDNICK | AT-LARGE TRUSTEE Trustee or director | 1 | $0 |
| B ASHLEY ZAUDERER-VANDERLEY | AT-LARGE TRUSTEE Trustee or director | 1 | $0 |
| LISA PRATO | AT-LARGE TRUSTEE Trustee or director | 1 | $0 |
| KELSEY JOHNSON | PAST PRESIDENT Trustee or director | 5 | $0 |
990 for the year ended December 31, 2023: 19 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KEVIN B MARVEL | EXECUTIVE OFFICER Officer | 35 | $471,878 | $131,164 |
| ETHAN VISHNIAC | EDITOR-IN-CHIEF Highest-paid employee | 35 | $271,911 | $49,399 |
| KELLY E CLARK | CHIEF FINANCIAL AND OPERAT Officer | 35 | $260,712 | $39,837 |
| JOEL PARRIOTT | DIRECTOR OF PUBLIC POLICY/ Officer | 35 | $229,901 | $28,338 |
| BETHANY JOHNS | DEPUTY DIRECTOR OF PUBLIC POLICY Highest-paid employee | 35 | $163,751 | $50,583 |
| JULIE STEFFEN | DIRECTOR OF PUBLISHING Highest-paid employee | 35 | $160,603 | $37,251 |
| RODNEY NENNER | DIRECTOR OF STRATEGIC PARTNERSHIPS Highest-paid employee | 35 | $174,026 | $21,308 |
| ELIZABETH SCUDERI | DIRECTOR OF MEETING SERVICES Highest-paid employee | 35 | $123,481 | $36,610 |
| KELSEY JOHNSON | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| ADAM BURGASSER | SENIOR VICE PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| GRANT TREMBLAY | SECOND VICE PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| DORIS DAOU | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| ALICE K B MONET | SECRETARY Trustee or director, Officer | 10 | $0 | $0 |
| JANE RIGBY | AT-LARGE TRUSTEE Trustee or director | 1 | $0 | $0 |
| LOUIS-GREGORY STROGLER | AT-LARGE TRUSTEE Trustee or director | 1 | $0 | $0 |
| DARA NORMAN | PRESIDENT ELECT Trustee or director, Officer | 5 | $0 | $0 |
| DAWN GELINO | THIRD VICE PRESIDENT Trustee or director | 5 | $0 | $0 |
| LISA PRATO | AT-LARGE TRUSTEE Trustee or director | 1 | $0 | $0 |
| B ASHLEY ZAUDERER-VANDERLEY | AT-LARGE TRUSTEE Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1667 K ST NW STE 800, WASHINGTON, DC 20006-1681
- In care of
- % DR ROBERT W MILKEY
- Principal officer (990 for 2024)
- KEVIN B MARVEL PHD, 1667 K STREET NW SUITE 800, WASHINGTON, DC 20006
- Signed the 990
- KEVIN B MARVEL PHD, EXECUTIVE OFFICER
- Phone
- (202) 328-2010
- Website
- WWW.AAS.ORG
- Return prepared by
- SNYDER COHN PC
Mission
THE AMERICAN ASTRONOMICAL SOCIETY (AAS), ESTABLISHED IN 1899, IS THE MAJOR ORGANIZATION OF PROFESSIONAL ASTRONOMERS IN NORTH AMERICA. THE BASIC OBJECTIVE OF THE AAS IS TO PROMOTE THE ADVANCEMENT OF ASTRONOMY AND CLOSELY RELATED BRANCHES OF SCIENCE THE MEMBERSHIP (APPROXIMATELY 7,000) ALSO INCLUDES PHYSICISTS, MATHEMATICIANS, GEOLOGISTS, ENGINEERS AND OTHERS WHOSE RESEARCH INTERESTS LIE WITHIN THE BROAD SPECTRUM OF SUBJECTS NOW COMPRISING CONTEMPORARY ASTRONOMY.
Program accomplishments
- JOURNALS - WE PUBLISH THE ASTROPHYSICAL JOURNAL WHICH IS THE LEADING SCIENTIFIC JOURNAL IN ASTRONOMY AND ASTROPHYSICS IN THE WORLD. WE ALSO PUBLISH THE ASTROPHYSICAL SUPPLEMENT, LETTERS, THE ASTRONOMICAL JOURNAL AND THE PLANETARY SCIENCE JOURNAL. OUR JOURNALS ARE THE LEADING SOURCE OF SCIENTIFIC CONTENT IN ASTRONOMY AND RELATED FIELDS. IN 2024, WE PUBLISHED OVER 79,962 PAGES OR 5,692 ARTICLES.Expenses $6,692,221 · revenue $11,870,691
- MEETINGS - THE AAS HOLDS TWO MEETINGS PER YEAR IN ADDITION TO THE ANNUAL MEETING FOR THE SIX DIVISIONS OF THE AAS. THE MEETINGS SERVE AS A VENUE IN WHICH THE MEMBERS CAN SHARE SCIENTIFIC RESEARCH WITH OUR COMMUNITY. IN ADDITION TO FORMAL PRESENTATIONS, WE ENSURE THAT EVENTS ARE SCHEDULED TO FACILITATE THE SHARING OF INFORMATION AND IDEAS. OVER 2,770 REGISTRATNTS ATTEDED OUR WINTER MEETING AND OVER 740 ATTENDED OUR SUMMER MEETING.Expenses $2,953,347 · revenue $3,459,748
- MEMBERSHIP SERVICES - MAINTAIN MEMBERSHIP DATABASE AND THE AAS WEBSITE, PUBLISH ON-LINE NEWSLETTERS, PRINTED MEMBERSHIP DIRECTORIES AND AN ANNUAL PRINTED CALENDAR.Expenses $1,468,202
- EDUCATION AND OUTREACH: THE SOCIETY PROMOTES BROAD INTEREST IN ASTRONOMY, WHICH ENHANCES SCIENCE LITERACY AND LEAD MANY TO CAREERS IN SCIENCE AND ENGINEERING.Expenses $135,314
- PUBLIC POLICY AND LOBBYING: THE SOCIETY WORKS WITH OTHER SCIENTIFIC AND EDUCATIONAL SOCIETIES TO PROMOTE THE ADVANCEMENT OF SOCIETY.Expenses $327,478
- STRATEGIC INITIATIVES: SOCIETY-WIDE PROJECTS THAT IMPROVE THE OPERATIONS OF THE SOCIETY AND PROJECTS THAT ARE CENTRAL TO THE MISSION OF THE AAS. THE CURRENT PROJECTS INCLUDE WEBSITE IMPROVEMENTS, ASTRONOMY AMBASSADOR PROGRAM AND THE ORAL HISTORY PROJECT. THESE PROJECTS ARE FUNDED BY COUNCIL-APPROVED TRANSFERS FROM THE JOURNALS PROGRAM.Expenses $275,528
- SKY AND TELESCOPE: THE SKY AND TELESCOPE LINE OF BUSINESS INCLUDE SKY AND TELESCOPE MAGAZINE WHICH IS PUBLISHED MONTHLY, AN ONLINE STORE SHOPATSKY.ORG AND A TOUR BUSINESS.Expenses $4,286,671 · revenue $2,882,441
- GRANTS AND ASSISTANCE. IN 2024, THE SOCIETY ADMINISTERED THE INTERNATIONAL TRAVEL GRANT AND SOLAR ECLIPSE PROGRAMS. THE SOCIETY ALSO PROVIDES GRANTS TO OTHER CHARITABLE ORGANIZATIONS, STUDENTS, EARLY CAREER MEMBERS, PRIZE WINNERS AND SCIENTIFIC EDITORS.Expenses $941,589 · grants $941,589
- JOB REGISTER: THE SOCIETY PUBLISHES A JOB REGISTER THAT ADVERTISES JOBS FOR INDIVIDUALS IN ASTRONOMY AND ASTROPHYSICS. THE JOBS POSTING ARE POSTED BY RESEARCH, COMMERCIAL , INDUSTRY, GOVERNMENT AND PUBLIC POLICY SECTOR ORGANIZATIONS. IN 2024, WE PUBLISHED 1,201 JOB ADVERTISEMENTS.Expenses $321,984
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 December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | Not on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 21-0735173
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1988
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U31)
- Assets (IRS master file)
- $25,528,282
- Income (IRS master file)
- $21,973,671
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $21,867,046 | $21,688,245 | $25,528,282 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $19,197,016 | $21,907,187 | $25,423,957 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990 | December 2022 | $19,541,464 | $19,786,193 | $26,257,850 | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990-T | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
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 21-0735173).
Questions about AMERICAN ASTRONOMICAL SOCIETY
- What is the EIN of AMERICAN ASTRONOMICAL SOCIETY?
- The employer identification number (EIN) of AMERICAN ASTRONOMICAL SOCIETY is 21-0735173.
- Is AMERICAN ASTRONOMICAL SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1988.
- Are donations to AMERICAN ASTRONOMICAL SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does AMERICAN ASTRONOMICAL SOCIETY 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 ASTRONOMICAL SOCIETY due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did AMERICAN ASTRONOMICAL SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2024.
- Who is the principal officer of AMERICAN ASTRONOMICAL SOCIETY?
- The 990 for the year ended December 31, 2024 names KEVIN B MARVEL PHD.
- Who are the officers and directors of AMERICAN ASTRONOMICAL SOCIETY?
- The 990 for the year ended December 31, 2024 lists 19 people; 9 received compensation from the organization, the highest $480,809 (KEVIN B MARVEL, EXECUTIVE OFFICER).
- How much revenue does AMERICAN ASTRONOMICAL SOCIETY have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $21,867,046, expenses of $21,688,245 and total assets of $25,528,282 at year end.
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