USA 59

retiredheo

NORAD / COSPAR20641 / 1990-050A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerUnited States

OperatorVarious

Launch date08 Jun 1990

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period238.97 min

Inclination63.40°

Apoapsis11567 km

Periapsis1189 km

Mean altitude6378 km

Semi-major axis12749 km

Eccentricity0.40679

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch7/28/2026, 11:59:44 AM

SourceSpace-Track

1 20641U 90050A   26209.49981546 -.00000019  00000-0  00000-0 0  9993
2 20641  63.4036  59.2782 4067893 266.3810  47.5986  6.02594479 48820