ESRO 1B

Europe/ESRO

Spacecraft n°:

ESA spacecraft n°: 4

Also called Boreas

Launch data:

Designation 04114 / 69083A
Launch date 01 Oct 1969 - 22:29 UT
Launch site:Va, SLC-5
Launch vehicle:Scout-B (S172C #66)
Mission Scientific: ionosphere study
Earth orbit on:
Perigee/Apogee 298/378 km
Inclination 85°
Period 91.3 min
Mass at launch 85 kg

Aimed to study auroras and involved phenomenons.

End of life

Decay 23 Nov 1969
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