National Space Science & Technology Institute

Nonprofit profile at a glance

EIN
841374681
IRS 990-EZ coverage
2018–2025
Forms available
Form 990-EZ 2025, Form 990-N 2022
Location
Lafayette, CO, USA
Phone
3035175873
Rating
35
Verdict
REVIEW
Rating confidence
Moderate
Sector
Astronomy

Reported finances

Revenue
$94,159
Expenses
$90,495
Assets
$15,327
Liabilities
$0

Source: IRS Form 990-EZ. Selected filing: tax year 2025. Amounts in USD.

Leadership & pay

9 people listed

Executive titles in this filing

  • Dimitri Klebe (President)

People named in this filing

  • Dimitri Klebe (President)
  • Gianna Sullivan (Secretary)
  • Annette Rausch (Treasurer)

Selected names, not a complete roster or a statement of current roles. Open leadership details for the complete filed list.

Source: IRS Form 990-EZ. Selected filing: tax year 2025. Names and roles reflect this filing, not necessarily current officeholders.

Overview

Mission

The corporation is organized and shall be operated exclusively for scientific, research, educational and public outreach purposes within the meaning of section 501(c)(3) of the Internal Revenue Code. A. Developing a variety of Science, Technology, Engineering and Math (STEM) informal and formal education programs aimed at educating students, teachers, and the public in Earth and space science and other related matters, both in person and remotely. B. Developing and Operating a mobile STEM resource center equipped with telescopes and other technology to permit both hands-on and remote STEM instruction and research.

What it reported doing in 2025

In 2025, NSSTI deployed MESO, our mobile STEM laboratory/observatory designed to provide informal and formal education relating to Earth and space sciences, to 44 schools and other public venues (libraries, educational centers). MESO is a "science center on wheels," that engaged and excited over 3800 students, teachers, and the public with inquiry-based hands-on educational and research activities focused on solar activity, weather, climate, atmospheric and space sciences, renewable energy, scientific instrumentation and science methodology. MESO Deployment Name MESO Deployment Date Aerolabs - Littleton 1/21/2025 Aerolabs - Parker 1/28/2025 Aerolabs - Peyton 2/11/2025 Aerolabs - Boulder 2/13/2025 Aerolabs - CastleRock 2/12/2025 Aerolabs - NorthGate 2/14/2025 Aerolabs - NorthGate 2/19/2025 Aerolabs - NorthGate 2/20/2025 Aerolabs - Miliken 2/28/2025 Future Fest Denver 4/26/2025 Bear Creek 2/19/2025 ECOC 1/25/2025 Penrose Elementary 5/1/2025 Palmer HS 3/2/2025 Talbott STEAM Inovation School 4/10/2025 City of Boulder - Water Festival 5/12/2025 Canon Exploritory School 5/1/2025 MESO Camp 6/3-6/21/25 MESO Camp 6/3-6/21/25 Pinnacle Charter School 4/29/2025 Arapahoe Library - Koelbel 6/7/2025 Lake County Intermediate School 4/23/2025 Bauder Elem 5/5/2025 MESO Camp 6/3/25-6/21/25 MESO Camp 6/3/25-6/21/25 MESO Camp 6/3/25-6/21/25 Aerolab - Colorado Military Academy 4/4/2025 Aerolab - Leadville 4/24/2025 Pikes Peak Library District (PPLD) 6/20/2025 Mueller State Park 6/21/2025 Arapahoe Library - Smoky Hill 6/15/2025 Colorado Springs Charter Academy 5/14/2025 Denver Astro Society Chamberlain Observ 7/12/2025 The Ranch - Larimer 8/1/25-8/5/25 Home School Academy aka Academy District 20 10/1/2025 Dark Sky Salida 10/17/2025 Aerolab Brush aka Freemont 1A 9/16/2025 Aerolab Littleton 9/23/2025 Aerolabs - Parker 10/7/2025 Aerolabs - Northgate 10/8/2025 Space Academy Homeschool 9/12/2025 Broomfield Art & Hunamities 10/4/2025 Buckley SFB aka Griffiss Institute 6/27/2025 Oak Creek Elem aka District 2 Harrison Schools 5/13/2025

Operating model

Revenue model
Earned-program. 81% of the money available for current operations came from fees and other program revenue.
Distribution model
No current program activity. The filing reports no program spending for the current year.

The verdict

REVIEW - The filed numbers largely add up. A relatively small share of available resources goes toward mission work and a relatively small share of total spending goes to programs.

Rating breakdown

  • Financial Efficiency: 0
  • Transparency & Controls: 82
  • Sustainability: 38
  • Growth: 0

Detailed rating inputs

Financial Efficiency

  • Mission deployment rate: 0%; rating input score 0
  • Program expense ratio: 0%; rating input score 0

Transparency & Controls

  • Consistency checks: 100%; rating input score 100; 51st percentile among comparable filings
  • Major donor itemization: Limited

Sustainability

  • Operating margin: 3.9%; rating input score 51; 51st percentile among comparable filings
  • Total-asset coverage ratio: 0.17; rating input score 17; 17th percentile among comparable filings
  • Liabilities to assets ratio: 0; rating input score 66; 66th percentile among comparable filings
  • Officer compensation ratio: 20.9%; rating input score 8; 8th percentile among comparable filings

Growth

  • Program expense growth: -10.1% per year; rating input score 0; 28th percentile among comparable filings
  • Revenue growth: -0.4% per year; rating input score 0; 48th percentile among comparable filings
  • Asset growth: -9.2% per year; rating input score 0; 18th percentile among comparable filings

Details

  • Where the money goes: 0% of revenue deployed · 0% of spending went to programs
  • Governance: Filed governance answers
  • Accomplishments: 1 filed program accomplishment
  • Leadership: top reported pay $0 · 9 people listed
  • Consistency: 9 of 9 current checks pass
  • Schedules: 2 filed schedules
  • Filing history: 5 filing years from 2018 to 2025
  • Contacts: How to reach this organization
  • Money network: 4 filed money-flow records
  • Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
  • People: Everyone the filings name, and which of them the filings identify by more than a name.

Key Signals

Signals prioritize questions for review. They are not findings of misconduct.

  • High — Financial Efficiency: Mission deployment rate scored 0/100.
  • High — Financial Efficiency: Program expense ratio scored 0/100.
  • High — Growth: Program expense growth scored 0/100.
  • High — Growth: Revenue growth scored 0/100.
  • High — Sustainability: Total-asset coverage ratio scored 17/100.
  • Review — Sustainability: Operating margin scored 51/100.
  • High — Growth: Asset growth scored 0/100.
  • High — Sustainability: Officer compensation ratio scored 8/100.