About ERS-1
Group: 3 satellites
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Live Position
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Upcoming Passes
Altitude History
Altitude vs Time
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Two-Line Element Set
1 21574U 91050A 26016.56341263 .00000222 00000-0 85720-4 0 9991
2 21574 98.7897 33.4887 0031911 358.9131 1.1981 14.39396716808237
Epoch: Jan 16, 2026 •
Age: 18 hours
Current Status
Altitude 777.1 km
Velocity 7.47 km/s
Sub-Earth Point -68.42°S,
172.84°W
Launch Date Jul 17, 1991
Age 34.5 years
Type other
Technical Details
Classification Payload
Mass 2384.00 kg
Dry Mass 2080.00 kg
Total Mass 2384.00 kg
Length 11.80 m
Diameter 2.50 m
Span 11.80 m
Shape Box + Pan
Manufacturer DASAF
Bus Type ESA ERS
Phase Status In Orbit
Owner/State ESA/I-ESA
Large Constellations
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