Kosmos 687 (Taifun-1 #2, Vektor #2), a Soviet active radar-calibration target satellite—a ~2 m sphere used to check military radar and tracking sensors. Kosmos-3M from Plesetsk Site 132/2 placed the second Vektor satellite in LEO.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 570 kg
- Flight
- 93rd
- of 445 Kosmos-3M (11K65M) flights
- Date and time
- 11 October 1974, 11:29 UTC
- Rocket
- Kosmos-3M (11K65M)
- Builder
- Polyot
- Launch site
- 132/2, Plesetsk Cosmodrome, Russian Federation
- Payload
- Test Target
- International designator
- 1974-076
- Launches in 1974
- 82nd of 113
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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