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Esro 4


Designation 06285 / 72092A
Launch date 22 Nov 1972
Country of origin Europe
Mission Scientific: ionosphere study
Perigee/Apogee 245/1173 km
Inclination 91.1°
Period 99 min
Launch vehicle Scout #82
Mass at launch 115 kg

Study of ionosphere, auroras and solar particles.

End of life

Decay 15 Apr 1974

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