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USA 28

retiredgeo

Live GEO tracker

Browse UNCLASSIFIED

Identification

NORAD / COSPAR: 18583 / 1987-097A
Constellation: UNCLASSIFIED
Object type: PAYLOAD
Country / owner: United States
Operator: Various

Launch

Launch date: 29 Nov 1987
Launch site: N/A
Launch vehicle: N/A
Decay date: In orbit

Orbital parameters

Period: 1463.58 min
Inclination: 11.95°
Apoapsis: 36444 km
Periapsis: 36202 km
Mean altitude: 36323 km
Semi-major axis: 42694 km
Eccentricity: 0.00284

Live state

Latitude: —
Longitude: —
Altitude: —
Velocity: —
Footprint area: —

TrackingLive tracker

TLE epoch: 10/22/2026, 6:47:39 AM
Source: Space-Track

1 18583U 87097A   26295.28309336 -.00000142  00000-0  00000+0 0  9991
2 18583  11.9466 337.6385 0028352 280.6712 248.7695  0.98388674 25972