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11 January 1968, 16:16 UTC

GEOS B

Thor Delta E1Vandenberg SFB, CA, USA
Drawing of the Thor Delta E1 for GEOS B

Explorer 36 (GEOS-B), a NASA geodetic Earth-science satellite measuring Earth's gravity field and refining geodetic reference models. Thor Delta E1 from Vandenberg SLC-2E lofted it on 11 January 1968 into LEO; it remains in orbit.

Outcome
Success
Orbit
LEO
Low Earth orbit
Payload to orbit
212 kg
Flight
11th
of 17 Thor Delta E1 flights
Date and time
11 January 1968, 16:16 UTC
Builder
McDonnell Douglas
Launch site
Space Launch Complex 2E, Vandenberg SFB, CA, USA
Payload
Earth Science
International designator
1968-002
Launches in 1968
2nd of 128

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