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CelesTrak's mission remains focused on making data and other resources freely available to the space community to facilitate understanding of our orbital environment and how to use it safely and responsibly. We are committed to enhancing our current visualization tools and upgrading SOCRATES to integrate with those tools.

And we hope that many of you, who share our passion, will be willing to make a small monthly donation to help us achieve our vision. I look forward to continuing this journey together. We can't do it without you! ‑ T.S. Kelso

For a brief history of CelesTrak, see (here).

NORAD GP Element Sets
Current Data (GP)
 
Supplemental Data (SupGP)
Special Data
Request (GP)
Documentation
Special Data
Request (SupGP)
Library
Publications
Software Repository
Computers & Satellites Columns
"Frequently Asked Questions: Two-Line Element Set Format"
"More Frequently Asked Questions"
"A New Way to Obtain GP Data (aka TLEs)"
"How to Perform SupGP Queries"
Special Event Coverage
Artemis I Mission
Long March-5B Rocket Body (48275) Reentry of 2021 May 9
ORS-3 Launch of 2013 Nov 20
Dnepr Launch of 2013 Nov 21
Breeze-M Rocket Body (38746) Breakup
Iridium 33/Cosmos 2251 Collision
USA 193 Post-Shootdown Analysis

Chinese ASAT Test
2007 Debris Events
Online Satellite Catalog (SATCAT)
Search the SATCAT
SATCAT Boxscore

SOCRATES
Satellite Orbital Conjunction Reports
Assessing threatening Encounters in Space
GPS Data
Status Messages
NANUs
SEM Almanacs
Yuma Almanacs
Space Data
Earth Orientation Parameters

Space Weather

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