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Esro 1B

Also called Boreas


Designation 04114 / 69083A
Launch date 1 Oct 1969
Country of origin Europe
Mission Scientific: ionosphere study
Perigee/Apogee 298/378 km
Inclination 85°
Period 91.3 min
Launch vehicle Scout #66
Mass at launch 85 kg

Aimed to study auroras and involved phenomenons.

End of life

Decay 23 Nov 1969

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