ESA/GOES

retiredheo

NORAD / COSPAR9931 / 1977-029A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerEuropean Space Agency

OperatorVarious

Launch date20 Apr 1977

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period734.04 min

Inclination27.63°

Apoapsis38382 km

Periapsis2772 km

Mean altitude20577 km

Semi-major axis26948 km

Eccentricity0.66055

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/8/2026, 3:46:45 AM

SourceSpace-Track

1 09931U 77029A   26251.15747220 -.00000174  00000-0  00000-0 0  9994
2 09931  27.6312  24.1109 6605550 339.7001   3.0209  1.96174249353482