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Soviet Space ProgramSoyuz U31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Zenit-2M 76
Launched
April 20, 1977
Summary
Zenit-2M 76 launched on a Soviet Space Program Soyuz U from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on April 20, 1977. It was Soviet Space Program's 1,103rd launch, 23rd this year and humanity's 1,944th orbital launch attempt. It was the 57th Soyuz U flight and the 10th this year. The payload was bound for low Earth orbit (LEO). Kosmos-904, one of 3 catalogued objects, reached a 209 × 334 km orbit inclined 71.4°. 3 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
- 57th Soyuz U flight · 10th this yearSoviet Space Program's 1,103rd launch23rd this yearhumanity's 1,944th orbital launch attempt29th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-904 · NORAD 9930 · 1977-028 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1977-028A
- Epoch
- 1977-04-21 04:20:31 UTC
- Mean motion
- 16.03706551 rev/day
- Eccentricity
- 0.0093937
- Inclination
- 71.3735°
- Ascending node
- 25.5402°
- Arg. of perigee
- 61.0898°
- Mean anomaly
- 299.5637°
- Element set
- 999
- Rev at epoch
- 13
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
3 catalogued: 1 payload, 1 rocket stage, 1 component; none still in orbit
- Kosmos-904 · NORAD 9930 · landed May 4, 1977
Soyuz-U 42-236 Blok-I · re-entered April 29, 1977
Data from J. McDowell, planet4589.org
About this launch
The soviet Zenit-2M (Gektor, 11F690) was an improved version of the Zenit-2 area surveillance reconnaissance satellite. It was part of the Vostok-based Zenit-family.
Pad
31/6, Baikonur Cosmodrome, Republic of Kazakhstan
187th launch from 31/6, 4th this year · 482nd from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
56 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Zenit-2M 76 launch?
Zenit-2M 76 launched on April 20, 1977. The time is known to the hour, not the minute.
Where can I watch Zenit-2M 76?
No webcast is on record for this launch.
What rocket launched Zenit-2M 76?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-2M 76 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Zenit-2M 76 reach?
Kosmos-904, one of 3 catalogued objects, reached a 209 × 334 km orbit inclined 71.4°.
How many satellites did Zenit-2M 76 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).