Photo: NASA · Public domain (US government)

Yantar-4K2 21

Success Soviet Union, Soyuz U

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About this launch

Film-return reconnaissance satellite

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Flight profileThe climb, seen from the side · 3D replay on the globe
to orbit0 km1,150 km downrange200 km up

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Launch window and padPlesetsk Cosmodrome, Russian Federation
Site
Plesetsk Cosmodrome, Russian Federation

Everything launching from Plesetsk Cosmodrome →

Rocket and boosterSoyuz U
Vehicle
Soyuz U

Soyuz U: specs, record and next flights → Soviet Union: all its launches →

MissionGovernment/Top Secret · LEO

Government/Top Secret · LEO

What it put in orbit4 catalogued objects
ObjectTypeOrbit
COSMOS 1734 1986-020A Payload re-entered 1986-04-26
SL-4 R/B 1986-020B Rocket body re-entered 1986-03-03
COSMOS 1734 DEB 1986-020C Debris re-entered 1986-04-27
COSMOS 1734 DEB 1986-020D Debris re-entered 1986-04-30

COSPAR ID 1986-020. Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).

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