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Iridium 21 - Satellite Information

Designation
Spacetrack catalog number25778
COSPAR ID1999-032-B
Name in Spacetrack catalogIRIDIUM 21

Satellite Details

Orbit 776 x 779 km, 86.4°
Country/organisation of origin Iridium Communications Inc.
Intrinsic brightness (Magnitude) 6.2 (at 1000km distance, 50% illuminated)
Maximum brightness (Magnitude)5.1 (at perigee, 100% illuminated)

Launch

Date (UTC) 11 June 1999 17:15
Launch siteTaiyuan Space Launch Center,
China
Launch vehicle Chang Zheng 2C-III/SD

Description

Spare; previously called Iridium 21A
View from orbit pole
 

DLR