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Solar Mesosphere Explorer


Designation 12887 / 81100A
Launch date 6 Oct 1981
Country of origin United States
Mission Scientific: high atmosphere study
Perigee/Apogee 335/337 km
Inclination 97.6°
Period 91.3 min
Launch vehicle Thor Delta #157
Launch site Vandenberg
Mass at launch 437 kg

End of life

Out of service Dec 1986
Decay 5 Mar 1991

External resources

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