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Explorer 11/Cluster Stage 4 - Satellite Information

Designation
Spacetrack catalog number 107
COSPAR ID 1961-013-A
Name in Spacetrack catalog EXPLORER 11

Satellite Details

Orbit 468 x 1,283 km, 28.8°
Category unknown
Country/organisation of origin United States
Intrinsic brightness (Magnitude) 7.2 (at 1000km distance, 50% illuminated)
Maximum brightness (Magnitude)3.9 (at perigee, 100% illuminated)

Launch

Date (UTC) 27 April 1961 14:16
Launch siteCape Canaveral Air Force Station,
United States
Launch vehicle Juno II
Picture of satellite
View from orbit pole
 

DLR