Photo: NASA · Public domain (US government)

Zenit-4MKT 1

Success Soviet Union, Soyuz U

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Zenit-4MKT 1: the flight path in 3D, from the pad to orbit, seen from space Replay the flight in 3D

About this launch

Film-return reconnaissance satellite

More about this launch

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 771 1975-090A Payload re-entered 1975-10-08
SL-4 R/B 1975-090B Rocket body re-entered 1975-09-29
COSMOS 771 DEB 1975-090C Debris re-entered 1975-10-12
COSMOS 771 DEB 1975-090D Debris re-entered 1975-10-08

COSPAR ID 1975-090. Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).

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