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Space Industry Data Sources: Where to Find Reliable Information in 2026

A comprehensive guide to the best free and paid data sources for space industry research — from NASA APIs to SEC filings to satellite catalogs.

By SpaceNexus TeamMarch 18, 2026

Finding reliable space industry data shouldn't require a Bloomberg Terminal. Whether you're an analyst building a market model, an engineer sizing a mission, or a journalist fact-checking a story, knowing where to find authoritative data is half the battle. Here's a comprehensive guide to the best sources available in 2026.

Launch & Mission Data

  • Launch Library 2 (The Space Devs) — The most comprehensive public API for launch data, covering past and upcoming missions from all providers worldwide. SpaceNexus integrates this directly
  • SpaceX API — Open-source API with detailed data on SpaceX launches, rockets, capsules, and Starlink satellites
  • NASA Launch Schedule — Official schedule for NASA missions, including Artemis program milestones
  • Spaceflight Now — Curated launch calendar with frequent updates

Satellite & Orbital Data

  • CelesTrak — Free TLE (Two-Line Element) data for 10,000+ cataloged objects, updated multiple times daily. The primary source for amateur and professional satellite tracking
  • Space-Track.org — Official US Space Command catalog with the most authoritative orbital data. Free registration required
  • UCS Satellite Database — Union of Concerned Scientists maintains a detailed database of all active satellites with operator, purpose, and orbital parameters
  • ESA DISCOS — European Space Agency database of objects in space, including debris

Financial & Market Data

  • SpaceNexus Market Intel — Aggregated space stock data, funding rounds, M&A activity, and company profiles. Free tier available at spacenexus.us/market-intel
  • SEC EDGAR — Mandatory filings for public space companies (10-K, 10-Q, S-1 for IPOs)
  • Crunchbase — Startup funding data including space companies (free tier limited)
  • PitchBook — Comprehensive VC/PE deal data (paid, institutional)
  • SAM.gov — Federal contract awards, essential for tracking government space spending
  • USAspending.gov — Detailed federal budget data. SpaceNexus integrates this for the Government Budgets module

Space Weather

  • NOAA SWPC — Space Weather Prediction Center provides real-time solar data, geomagnetic indices (Kp), and CME alerts. SpaceNexus pulls from this automatically
  • NASA DONKI — Database Of Notifications, Knowledge, Information for space weather events
  • SDO/SOHO — Solar observation imagery updated in near-real-time

Policy & Regulatory

  • FCC ULS — Universal Licensing System for satellite spectrum and orbital slot filings
  • FAA AST — Launch and reentry license data from the Office of Commercial Space Transportation
  • SBIR.gov — Small Business Innovation Research awards, many space-related
  • SpaceNexus Compliance Hub — Aggregated regulatory data with explainers at spacenexus.us/compliance

Aggregated Intelligence Platforms

  • SpaceNexus — Combines 50+ data sources into a single platform with dashboards, alerts, and analysis tools. The most comprehensive free option available. See our full data source list
  • Quilty Space — Boutique space research firm (paid, analyst reports)
  • BryceTech — Space industry consulting and data (paid, enterprise)
  • Euroconsult — Market reports and consulting (paid, expensive)

The space data landscape is fragmented by design — no single government or company controls it all. Platforms like SpaceNexus exist to bridge these gaps and give you a unified view of the industry.

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