Soviet Space ProgramSoyuz U31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Zenit-4MKM 6
Launched
September 30, 1977
Summary
Zenit-4MKM 6 launched on a Soviet Space Program Soyuz U from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on September 30, 1977. It was Soviet Space Program's 1,161st launch, 81st this year and humanity's 2,018th orbital launch attempt. It was the 79th Soyuz U flight and the 32nd this year. The payload was bound for low Earth orbit (LEO). Kosmos-957, one of 6 catalogued objects, reached a 178 × 369 km orbit inclined 65.0°. 6 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Soyuz U · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 79th Soyuz U flight · 32nd this yearSoviet Space Program's 1,161st launch81st this yearhumanity's 2,018th orbital launch attempt103rd orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-957 · NORAD 10385 · 1977-098 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1977-098A
- Epoch
- 1977-09-30 12:38:04 UTC
- Mean motion
- 16.03064156 rev/day
- Eccentricity
- 0.0143711
- Inclination
- 64.997°
- Ascending node
- 191.1747°
- Arg. of perigee
- 66.1777°
- Mean anomaly
- 295.3524°
- Element set
- 999
- Rev at epoch
- 2
- 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
6 catalogued: 1 payload, 1 rocket stage, 4 components; none still in orbit
- Kosmos-957 · NORAD 10385 · landed October 13, 1977
Soyuz-U 52-697 Blok-I · re-entered October 5, 1977
Data from J. McDowell, planet4589.org
About this launch
High-resolution film-return Zenit reconnaissance satellite
Pad

31/6, Baikonur Cosmodrome, Republic of Kazakhstan
195th launch from 31/6, 12th this year · 501st from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
8 days 8 hours after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Zenit-4MKM 6 launch?
Zenit-4MKM 6 launched on September 30, 1977. The time is known to the hour, not the minute.
Where can I watch Zenit-4MKM 6?
No webcast is on record for this launch.
What rocket launched Zenit-4MKM 6?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-4MKM 6 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Zenit-4MKM 6 reach?
Kosmos-957, one of 6 catalogued objects, reached a 178 × 369 km orbit inclined 65.0°.
How many satellites did Zenit-4MKM 6 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Soyuz U - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz2520u_image_20190222031023.jpeg&w=1600)