TDRS 4

retiredgeo

NORAD / COSPAR19883 / 1989-021B

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerUnited States

OperatorVarious

Launch date13 Mar 1989

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period1462.19 min

Inclination12.81°

Apoapsis36365 km

Periapsis36227 km

Mean altitude36296 km

Semi-major axis42667 km

Eccentricity0.00161

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/7/2026, 6:05:52 PM

SourceSpace-Track

1 19883U 89021B   26250.75407891 -.00000126  00000-0  00000-0 0  9995
2 19883  12.8058 354.5494 0016119 309.7443  64.3177  0.98482044308869