EXPLORER 39 (ADI-3)

decayedleo

NORAD / COSPAR3337 / 1968-066A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerUnited States

OperatorVarious

Launch date08 Aug 1968

Launch siteN/A

Launch vehicleN/A

Decay date22 Jun 1981

Period89.47 min

Inclination80.54°

Apoapsis278 km

Periapsis219 km

Mean altitude249 km

Semi-major axis6620 km

Eccentricity0.00445

TLE epoch6/21/1981, 10:22:01 PM

SourceSpace-Track

1 03337U 68066  A 81172.93196640  .58773797 -19957-5 +56655-1 0  9997
2 03337 080.5380 086.3323 0044540 227.9897 131.9502 16.09380298780921