USA 28

retiredgeo

NORAD / COSPAR18583 / 1987-097A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerUnited States

OperatorVarious

Launch date29 Nov 1987

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period1463.60 min

Inclination11.98°

Apoapsis36441 km

Periapsis36206 km

Mean altitude36323 km

Semi-major axis42694 km

Eccentricity0.00275

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/8/2026, 3:44:52 AM

SourceSpace-Track

1 18583U 87097A   26251.15616267 -.00000184  00000-0  00000-0 0  9990
2 18583  11.9840 337.8846 0027487 279.7151  99.7836  0.98387677 25542