CelesTrak is a non-profit organization that provides orbital data and space situational awareness resources. It offers Two-Line Element Sets (TLEs) for thousands of objects in Earth orbit, including active and defunct satellites, rocket bodies, and space debris. CelesTrak is a trusted source for satellite operators, space agencies, researchers, educators, and enthusiasts, and also provides tools for collision risk assessment.
All verified mentions of this organization in source documents.
CelesTrak has GP data for two objects from launch 2024-075 of Yaogan-42 02 atop a Long March-2D rocket from Xichang Satellite Launch Center on 2024-04-20.
CelesTrak has GP data for two objects from the 2023-12-05 Jielong-3 launch listed under launch designation 2023-190.
The first online bulletin board of satellite orbits created by T.S. Kelso evolved into CelesTrak, a nonprofit that provides free data and visualization tools showing the location of objects in orbit.
CelesTrak has GP data for four objects from launch 2023-145 of Yaogan-39 atop a Long March-2D from Xichang on 2023-09-17 at 0413 UTC.
T S Kelso at CelesTrak provided the 10:01 UTC deployment time for the 2021-12-17 Starlink launch deployment.