Photo: NASA · Public domain (US government)

Zenit-4MK 40

Success Soviet Union, Soyuz U

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Zenit-4MK 40: the flight path in 3D, from the pad to orbit, seen from space Replay the flight in 3D

About this launch

High resolution optical reconnaissance satellite of the Vostok-based Zenit family.

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 padBaikonur Cosmodrome, Republic of Kazakhstan
Site
Baikonur Cosmodrome, Republic of Kazakhstan

Everything launching from Baikonur 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 orbit5 catalogued objects
ObjectTypeOrbit
COSMOS 727 1975-030A Payload re-entered 1975-04-28
SL-4 R/B 1975-030B Rocket body re-entered 1975-04-21
SL-4 DEB 1975-030C Debris re-entered 1975-04-19
COSMOS 727 DEB 1975-030D Debris re-entered 1975-05-05
COSMOS 727 DEB 1975-030E Debris re-entered 1975-05-02

COSPAR ID 1975-030. Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).

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