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Soviet Space ProgramSoyuz U43/4 (43R), Plesetsk Cosmodrome, Russian Federation
Zenit-6U 4
Launched
October 11, 1977
Summary
Zenit-6U 4 launched on a Soviet Space Program Soyuz U from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on October 11, 1977. It was Soviet Space Program's 1,163rd launch, 83rd this year and humanity's 2,020th orbital launch attempt. It was the 81st Soyuz U flight and the 34th this year. The payload was bound for low Earth orbit (LEO). Kosmos-958, one of 7 catalogued objects, reached a 275 × 382 km orbit inclined 62.9°. 7 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
- 81st Soyuz U flight · 34th this yearSoviet Space Program's 1,163rd launch83rd this yearhumanity's 2,020th orbital launch attempt105th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-958 · NORAD 10403 · 1977-100 · Space-Track · tracking 1 of 7 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1977-100A
- Epoch
- 1977-10-11 17:57:19 UTC
- Mean motion
- 15.83199978 rev/day
- Eccentricity
- 0.0079438
- Inclination
- 62.8727°
- Ascending node
- 198.5227°
- Arg. of perigee
- 94.2969°
- Mean anomaly
- 261.3442°
- 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
7 catalogued: 1 payload, 1 rocket stage, 5 components; none still in orbit
- Kosmos-958 · NORAD 10403 · landed October 24, 1977
Soyuz-U No. 099 Blok-I · re-entered November 9, 1977
Data from J. McDowell, planet4589.org
About this launch
Optical film-return reconnaissance satellite
Pad
43/4 (43R), Plesetsk Cosmodrome, Russian Federation
111th launch from 43/4 (43R), 19th this year · 579th from Plesetsk Cosmodrome, Russian Federation
329 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
21 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Zenit-6U 4 launch?
Zenit-6U 4 launched on October 11, 1977. The time is known to the hour, not the minute.
Where can I watch Zenit-6U 4?
No webcast is on record for this launch.
What rocket launched Zenit-6U 4?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-6U 4 launch from?
43/4 (43R), Plesetsk Cosmodrome, Russian Federation.
What orbit did Zenit-6U 4 reach?
Kosmos-958, one of 7 catalogued objects, reached a 275 × 382 km orbit inclined 62.9°.
How many satellites did Zenit-6U 4 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).