Satellite Catalogs and Space Traffic Coordination Tools

Celestrak

https://celestrak.org

Spacetalk

https://www.spacetalk.ch/

SpaceTrack

https://www.space-track.org

EU Space Surveillance and Tracking (EU SST)

https://www.eusst.eu/

US-Traffic Coordination System for Space (TraCSS)

https://space.commerce.gov/

Leolabs              

https://platform.leolabs.space

Slingshot

https://www.slingshot.space/

COMSPOC

https://www.comspoc.com/

SatCat

https://www.satcat.com/

Indian Space Situational Awareness Report (ISRO April 2026)

https://www.isro.gov.in/

JAXA | Space Situational Awareness (SSA) System

https://global.jaxa.jp/

Satellite & Communication Situational Awareness: WeTrack™ and LYNKS

https://www.safran-group.com/