EXPLORER 11

retiredleo

NORAD / COSPAR107 / 1961-013A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerUnited States

OperatorVarious

Launch date27 Apr 1961

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period101.23 min

Inclination28.78°

Apoapsis1171 km

Periapsis463 km

Mean altitude817 km

Semi-major axis7188 km

Eccentricity0.04918

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/8/2026, 1:03:33 PM

SourceSpace-Track

1 00107U 61013A   26251.54414348  .00000825  00000-0  80028-4 0  9995
2 00107  28.7755 195.6442 0491796 187.1896 172.1407 14.22484760288379