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Nonprofit · EIN 94-3123439

ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS

Tax-exempt · SIMI VALLEY, CA 93065

Financials

$847K$17K2023$99K$35K2024$221K$47K2025
Revenue Expenses · by fiscal year end
Financials of ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$220,986$47,111$173,875$1,630,667$0$1,630,667
December 31, 2024990$98,877$35,362$63,515$1,358,766$0$1,358,766
December 31, 2023990$847,111$17,437$829,674$1,275,130$0$1,275,130
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$155,816
Membership dues
$10,816
Program service revenue
$12,745
Investment income
$52,425
Net gain from sales of assets
$3,008
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
Program services (functional)
$32,157
Management and general (functional)
$14,954

Balance sheet and other

Total assets, start of year
$1,358,766
Total assets, end of year
$1,630,667
Total liabilities, end of year
$0
Net assets, end of year
$1,630,667
Publicly traded securities
$1,482,088
Gross receipts
$220,986
Employees
0
Volunteers
49
Year formed
1990
State of legal domicile
CA

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, 2025, highest compensation first.

NameTitleHours / weekCompensation
Timothy J RobertsonExecutive Director, President, Chair Board Director, Publications Coord.
Trustee or director, Officer
20$0
Richard W Schmude JrAssoc. Exec. Dir., Vice President, Board Director
Trustee or director, Officer
20$0
Matthew L WillSecretary, Treasurer, and Board Director
Trustee or director, Officer
20$0
Julius L Benton JrBoard Director
Trustee or director
20$0
Carl HergenrotherBoard Director
Trustee or director
15$0
Robert D LunsfordsBoard Director
Trustee or director
10$0
Kennth T PoshedlyBoard Director
Trustee or director
20$0
John R BedsoleBoard Trustee, Chair
Trustee or director
5$0
Matthew BentonBoard Trustee
Trustee or director
10$0
Larry A HardyBoard Trustee
Trustee or director
2$0
Ronald N MayBoard Trustee
Trustee or director
10$0
Ronald M GraftonBoard Trustee
Trustee or director
2$0
990 for the year ended December 31, 2024: 11 people
NameTitleHours / weekCompensation
Kenneth T PoshedlyExecutive Director, President, Chair Board Director, Publications Coord.
Trustee or director, Officer
20$0
Timothy J RobertsonAssoc. Exec. Dir., Vice President, Board Director
Trustee or director, Officer
20$0
Matthew L WillSecretary, Treasurer, and Board Director
Trustee or director, Officer
20$0
Julius L Benton JrBoard Director
Trustee or director
20$0
Carl HergenrotherBoard Director
Trustee or director
20$0
Sanjay LimayeBoard Director
Trustee or director
5$0
Richard W Schmude JrBoard Director
Trustee or director
20$0
John R BedsoleBoard Trustee, Chair
Trustee or director
5$0
Matthew BentonBoard Trustee
Trustee or director
10$0
Larry A HardyBoard Trustee
Trustee or director
2$0
Ronald N MayBoard Trustee
Trustee or director
10$0
990 for the year ended December 31, 2023: 11 people
NameTitleHours / weekCompensation
Kenneth T PoshedlyExecutive Director, Vice President, Chair Board Director, Publications Coord.
Trustee or director, Officer
20$0
Timothy J RobertsonAssoc. Exec. Dir., Board Director
Trustee or director, Officer
20$0
Matthew L WillSecretary, Treasurer, and Board Director
Trustee or director, Officer
20$0
Julius L Benton JrBoard Director
Trustee or director
20$0
Carl HergenrotherBoard Director
Trustee or director
20$0
Sanjay LimayeBoard Director
Trustee or director
5$0
Richard W Schmude JrBoard Director
Trustee or director
20$0
John R BedsoleBoard Trustee, Chair
Trustee or director
5$0
Matthew BentonBoard Trustee
Trustee or director
1$0
Larry A HardyBoard Trustee
Trustee or director
2$0
Ronald N MayBoard Trustee
Trustee or director
10$0

Address and contacts

Address (IRS master file)
195 TIERRA REJADA RD UNIT 148, SIMI VALLEY, CA 93065-2930
In care of
% ELIZABETH WESTFALL
Mailing address (990-N for 2018)
PO Box 13456, Springfield IL 62791
Principal officer (990 for 2025)
Timothy J Robertson, 195 Tierra Rejada Rd No 148, Simi Valley, CA 930652930
Principal officer (990-N for 2018)
Richard Schmude, 109 Tyus St, Barnesville GA 30204
Signed the 990
Matthew Will, Secretary and Treasurer
Phone
(217) 793-3147

California records

California keeps its own records of charities and corporations. Search them by EIN 94-3123439 or by the name ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

Our organization supports education, outreach, and research in amateur astronomy. Our mission is to stimulate, coordinate, and generally promote the study of Solar System bodies and phenomena using methods and instrumentation commonly available to amateur astronomers worldwide.

990 for the year ended December 31, 2025

Program accomplishments

  • Our organization publishes astronomical studies in a quarterly amateur astronomy journal for 400 paid members worldwide. This also includes electronic communications of astronomical literature and observational information and data through our website. Actual program revenue is $12,745 from Part VIII Line 2g. However, an additional $7,283 is derived partially from income from Part VIII, Line 1b and Line 3 which is income from our endowment fund.
    Expenses $19,709 · revenue $12,745
  • The ALPO manages amateur astronomy observing projects in support of professional astronomical research. Approximately 150 members contribute observational data in the reports published this year. Expenses are attributed to a portion of office expenses, mainly postage for literature mailings and correspondence. Revenue for expenses of $857 was derived from Part VIII, Line 1b.
    Expenses $857 · revenue $857
  • The ALPO is involved in the participation and organization with national and regional amateur astronomy conferences where papers are presented and workshops conducted (approximately 60 persons attended the annual meeting held online in 2025). Revenue for expenses of $824 was derived from Part VIII, Line 1b. Also, the ALPO is expanding its presence to other meeting venues hosted by both amateur and professional astronomical organizations as well as advertising its mission in leading publications. Revenue for expenses of $10,766 was derived from Part VIII, Line 3. These expenses are given on Part IX, Line 12.
    Expenses $11,591 · revenue $11,591
  • Our organization maintains a separate Board of Trustees to manage an endowment fund. The trustees are listed in Form 990, Part VIII.0

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 yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
94-3123439
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
1994
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$1,630,667
Income (IRS master file)
$220,986

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$220,986$47,111$1,630,667XML
990December 2024$98,877$35,362$1,358,766XML
990December 2023$847,111$17,437$1,275,130XML
990-EZDecember 2022–––IRS
990-EZDecember 2021–––IRS
990-EZDecember 2020–––IRS
990December 2019–––IRS
990-N for 2018
Officer: Richard Schmude
December 31, 2018≤ $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 94-3123439).

Questions about ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS

What is the EIN of ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS?
The employer identification number (EIN) of ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS is 94-3123439.
Is ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1994.
Are donations to ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS 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 ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS?
The 990 for the year ended December 31, 2025 names Timothy J Robertson.
Who are the officers and directors of ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS?
The 990 for the year ended December 31, 2025 lists 12 people; 0 received compensation from the organization.
How much revenue does ASSOCIATION OF LUNAR AND PLANETARY OBSERVERS have?
On its 990 for the year ended December 31, 2025 it reported revenue of $220,986, expenses of $47,111 and total assets of $1,630,667 at year end.

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