Satellite page
ERS-1
Check the current position, flight trajectory, and orbital parameters for the ERS-1 satellite (ID: 21574). Find out when it will be visible in the sky.
Calculate next passesOrbital data
| Name | ERS-1 |
|---|---|
| NORAD ID | 21574 |
| Group | visual |
| TLE epoch | 2026-05-11T01:08:29.525280+00:00 |
| Inclination | 98.7819 deg |
| Eccentricity | 0.0032261 |
| Mean motion | 14.3949 rev/day |
| Orbital period | 100.0 min |
| Perigee | 737.1 km |
| Apogee | 783.2 km |
Current position and passes
The interactive orbit map and visible pass predictions are available in the tracker app.
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