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Designation 20546 / 90028A
Launch date 5 Apr 1990
Country of origin United States
Mission Scientific: high atmosphere study
Perigee/Apogee 395/500 km
Inclination 94.1°
Period 93.5 min
Launch vehicle Pegasus #1
Launch site Vandenberg
Mass at launch 191 kg

End of life

Decay 14 Nov 1998

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