Soviet Space ProgramSoyuz U31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Zenit-2M 83
Launched
December 27, 1977
Summary
Zenit-2M 83 launched on a Soviet Space Program Soyuz U from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on December 27, 1977. It was Soviet Space Program's 1,182nd launch, 102nd this year and humanity's 2,045th orbital launch attempt. It was the 86th Soyuz U flight and the 39th this year. The payload was bound for low Earth orbit (LEO). Kosmos-973, one of 5 catalogued objects, reached a 210 × 317 km orbit inclined 71.4°. 5 objects from this launch are catalogued, 2 of them payloads.
- 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
- 86th Soyuz U flight · 39th this yearSoviet Space Program's 1,182nd launch102nd this yearhumanity's 2,045th orbital launch attempt130th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-973 · NORAD 10540 · 1977-124 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1977-124A
- Epoch
- 1977-12-27 10:42:27 UTC
- Mean motion
- 16.06572047 rev/day
- Eccentricity
- 0.0080611
- Inclination
- 71.4475°
- Ascending node
- 280.12°
- Arg. of perigee
- 55.4624°
- Mean anomaly
- 305.172°
- Element set
- 999
- Rev at epoch
- 1
- 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
5 catalogued: 2 payloads, 1 rocket stage, 2 components; none still in orbit
- Kosmos-973 · NORAD 10540 · landed January 9, 1978
- Kapsula Kosmosa-973 · NORAD 10558 · re-entered January 25, 1978
Soyuz-U 52-243 Blok-I · re-entered January 5, 1978
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
197th launch from 31/6, 14th this year · 507th from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
14 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Zenit-2M 83 launch?
Zenit-2M 83 launched on December 27, 1977. The time is known to the hour, not the minute.
Where can I watch Zenit-2M 83?
No webcast is on record for this launch.
What rocket launched Zenit-2M 83?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-2M 83 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Zenit-2M 83 reach?
Kosmos-973, one of 5 catalogued objects, reached a 210 × 317 km orbit inclined 71.4°.
How many satellites did Zenit-2M 83 launch?
2 payloads from this launch are catalogued, none of them still 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)