Back to catalog
Object data
ERS-1
Check the current position, flight trajectory and orbital parameters for ERS-1 (NORAD 21574). Find out when it will be visible in the sky.
NORAD 21574Bright visual satellitesOrbit
Orbital data
Catalog facts
- Name
- ERS-1
- NORAD ID
- 21574
- Category
- Bright visual satellites
- TLE epoch
- Oct 8, 2026, 16:02 UTC
- Object ID
- 1991-050A
- Object type
- Payload
- Owner
- European Space Agency
- Launch site
- Europe's Spaceport, Kourou, French Guiana
- Launch date
- 1991-07-17
- Operational status
- Nonoperational
- Orbit type
- Orbit
- Orbit center
- Earth
Orbital parameters
Orbit profile
Inclination98.7753°
Eccentricity0.0031
Mean motion14.3958 rev/day
Orbital period100.0 min
Perigee737.9 km
Apogee781.9 km
Interactive tools
Observe and track this object
Choose one of the tools to check satellite visibility from your location or view its trajectory on a map.