CAT 3

retiredheo

NORAD / COSPAR12546 / 1981-057C

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerEuropean Space Agency

OperatorVarious

Launch date19 Jun 1981

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period318.40 min

Inclination10.18°

Apoapsis17903 km

Periapsis232 km

Mean altitude9068 km

Semi-major axis15439 km

Eccentricity0.57202

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch8/30/2026, 9:49:55 PM

SourceSpace-Track

1 12546U 81057C   26242.90967585  .00009699  00000-0  61089-3 0  9994
2 12546  10.1846 108.7256 5720208 264.2356  31.6103  4.52260374418449