ESRO 4, a European Space Research Organisation ionosphere and magnetosphere research satellite measuring neutral/ion densities, auroral particles, and solar particles. Scout D-1 from Vandenberg SLC-5 lofted the ~130 kg spin-stabilized craft into polar elliptical orbit on 22 November 1972; it reentered after a successful mission on 15 April 1974.
- Outcome
- Success
- Orbit
- Elliptical
- Elliptical orbit
- Payload to orbit
- 115 kg
- Flight
- 3rd
- of 15 Scout D-1 flights
- Date and time
- 22 November 1972, 00:17 UTC
- Rocket
- Scout D-1
- Builder
- Vought
- Launch site
- Space Launch Complex 5, Vandenberg SFB, CA, USA
- Payload
- Earth Science
- International designator
- 1972-092
- Launches in 1972
- 98th of 113
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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