Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Kosmos 772
Launched
September 29, 1975
Summary
Kosmos 772 launched on a Soviet Space Program Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on September 29, 1975. It was Soviet Space Program's 955th launch, 69th this year and humanity's 1,748th orbital launch attempt. It was the 21st Soyuz U flight and the 8th this year. The payload was bound for low Earth orbit (LEO). Kosmos-772, one of 2 catalogued objects, reached a 161 × 253 km orbit inclined 51.8°. The spacecraft was Soyuz 7K-S No.2 (Soyuz 7K-S 11F732 #2). 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Test Flight · Low Earth Orbit (LEO)
- Milestone
- 21st Soyuz U flight · 8th this yearSoviet Space Program's 955th launch69th this yearhumanity's 1,748th orbital launch attempt97th orbital launch attempt this year
Spacecraft
Soyuz 7K-S No.2 (Soyuz 7K-S 11F732 #2)
Military version of the Soyuz 7K spacecraft.
- Destination: Low Earth Orbit
- Mission length: 3 days 23 hours
The Soyuz 7K-S spacecraft safely landed in Kazakhstan.
Flight preview
Orbit: as tracked
Kosmos-772 · NORAD 8338 · 1975-093 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1975-093A
- Epoch
- 1975-09-29 10:00:34 UTC
- Mean motion
- 16.27228259 rev/day
- Eccentricity
- 0.0069436
- Inclination
- 51.8148°
- Ascending node
- 80.4037°
- Arg. of perigee
- 355.4755°
- Mean anomaly
- 4.5591°
- Element set
- 999
- Rev at epoch
- 4
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- Kosmos-772 · NORAD 8338 · landed October 2, 1975
Soyuz-U No. 021 Blok-I · re-entered October 6, 1975
Data from J. McDowell, planet4589.org
About this launch
Kosmos 772 was an uncrewed test of the military Soyuz 7K-S. Most of its transmitters failed in orbit and it was deorbited after about four days.
Pad

1/5, Baikonur Cosmodrome, Republic of Kazakhstan
150th launch from 1/5, 5th this year · 433rd from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
75 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Kosmos 772 launch?
Kosmos 772 launched on September 29, 1975. The time is known to the hour, not the minute.
Where can I watch Kosmos 772?
No webcast is on record for this launch.
What rocket launched Kosmos 772?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Kosmos 772 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Kosmos 772 reach?
Kosmos-772, one of 2 catalogued objects, reached a 161 × 253 km orbit inclined 51.8°.
Which program is Kosmos 772 part of?
Soyuz. About Soyuz
![[AUTO] Soyuz U - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz2520u_image_20190222031023.jpeg&w=1600)