ERS 1

retiredleo

NORAD / COSPAR21574 / 1991-050A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerEuropean Space Agency

OperatorVarious

Launch date17 Jul 1991

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period100.03 min

Inclination98.78°

Apoapsis783 km

Periapsis737 km

Mean altitude760 km

Semi-major axis7131 km

Eccentricity0.00323

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/8/2026, 12:04:29 PM

SourceSpace-Track

1 21574U 91050A   26251.50311471  .00000224  00000-0  86196-4 0  9994
2 21574  98.7786 274.2317 0032255  21.7781 338.4769 14.39561820842031