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 26062.02426083 .00000373 00000-0 13389-3 0 9995
2 21574 98.7885 80.0912 0031273 220.5217 139.3642 14.39443076814777
Epoch: Mar 3, 2026 •
Age: 17 hours
Current Status
Altitude 778.9 km
Velocity 7.47 km/s
Sub-Earth Point -68.44°S,
48.12°E
Launch Date Jul 17, 1991
Age 34.6 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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