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CelesTrak

CelesTrak is now a501(c)(3) non-profitand we need your help. CelesTrak's mission remains focused on making dataand other resources freely available to the space community to facilitateunderstanding of our orbital environment and how to use it safely andresponsibly. We are committed to enhancing our current visualization tools andupgrading 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 helpus achieve our vision. I look forward to continuing this journey together.We can't do it without you!Even as little as $1/year helps!‑ T.S. Kelso

Twitter Follow@CelesTrak and@TSKelso on Twitter

NORAD GP Element Sets
Current Data (GP) Supplemental Data (SupGP)
Special Data
Request (GP)
DocumentationSpecial 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 SATCATSATCAT BoxscoreLaunch Boxscore
SOCRATES Plus
Satellite Orbital Conjunction Reports
Assessing threatening Encounters in Space
GPS Data
Status MessagesNANUs
SEM AlmanacsYuma Almanacs
Space Data
Earth Orientation ParametersSpace Weather
CelesTrak: A Brief History
About the Webmaster


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