Explorer 29 (GEOS-1/GEOS-A), NASA’s first Geodetic Earth Orbiting Satellite for active laser, optical-beacon, Doppler, and SECOR geodesy. Maiden Thor-Delta E flight from Cape Canaveral LC-17A on 6 November 1965 placed it in a medium Earth orbit; operations ended about December 1967.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 176 kg
- Flight
- 1st
- of 6 Thor Delta E flights
- Date and time
- 6 November 1965, 18:38 UTC
- Rocket
- Thor Delta E
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 17A, Cape Canaveral SFS, FL, USA
- Payload
- Earth Science
- International designator
- 1965-089
- Launches in 1965
- 100th of 124
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