Kosmos 277 (DS-P1-Yu No.20), a Soviet radar-calibration target for air-defense and space-surveillance radars, launched on a Kosmos-2 (11K63) from Plesetsk Site 133/1 into low Earth orbit.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 200 kg
- Flight
- 40th
- of 126 Kosmos 11K63 flights
- Date and time
- 4 April 1969, 13:00 UTC
- Rocket
- Kosmos 11K63
- Builder
- Yuzhmash
- Launch site
- 133/3 (133L), Plesetsk Cosmodrome, Russian Federation
- Payload
- Test Target
- International designator
- 1969-033
- Launches in 1969
- 40th of 125
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas