USA 56

retiredleo

NORAD / COSPAR20560 / 1990-031A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerUnited States

OperatorVarious

Launch date11 Apr 1990

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period97.44 min

Inclination89.86°

Apoapsis678 km

Periapsis595 km

Mean altitude636 km

Semi-major axis7007 km

Eccentricity0.00595

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/8/2026, 1:49:03 PM

SourceSpace-Track

1 20560U 90031A   26251.57573293  .00000647  00000-0  85392-4 0  9991
2 20560  89.8561 259.5828 0059501 332.8683  26.9432 14.77784093125019