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 26008.63890766 .00000455 00000-0 16009-3 0 9998
2 21574 98.7897 25.3657 0032329 22.2632 337.9950 14.39391882807091
Epoch: Jan 8, 2026 •
Age: 6 hours
Current Status
Altitude 786.4 km
Velocity 7.45 km/s
Sub-Earth Point -5.26°S,
138.44°E
Launch Date Jul 17, 1991
Age 34.4 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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