Soviet Space ProgramSoyuz U41/1, Plesetsk Cosmodrome, Russian Federation
Zenit-8 12
Launched
March 1, 1985
Summary
Zenit-8 12 launched on a Soviet Space Program Soyuz U from 41/1, Plesetsk Cosmodrome, Russian Federation on March 1, 1985. It was Soviet Space Program's 1,871st launch, 15th this year and humanity's 2,923rd orbital launch attempt. It was the 394th Soyuz U flight and the 5th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1632, one of 6 catalogued objects, reached a 201 × 236 km orbit inclined 72.9°. 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
- 394th Soyuz U flight · 5th this yearSoviet Space Program's 1,871st launch15th this yearhumanity's 2,923rd orbital launch attempt19th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1632 · NORAD 15589 · 1985-019 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1985-019A
- Epoch
- 1985-03-01 10:28:06 UTC
- Mean motion
- 16.23090432 rev/day
- Eccentricity
- 0.0026532
- Inclination
- 72.8859°
- Ascending node
- 323.9957°
- Arg. of perigee
- 110.4187°
- Mean anomaly
- 249.9906°
- Element set
- 999
- Rev at epoch
- 0
- 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-1632 · NORAD 15589 · landed March 15, 1985
Soyuz-U 32-797 Blok-I · re-entered March 4, 1985
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad

41/1, Plesetsk Cosmodrome, Russian Federation
263rd launch from 41/1, 1st this year · 1,040th from Plesetsk Cosmodrome, Russian Federation
310 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
76 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Zenit-8 12 launch?
Zenit-8 12 launched on March 1, 1985. The time is known to the hour, not the minute.
Where can I watch Zenit-8 12?
No webcast is on record for this launch.
What rocket launched Zenit-8 12?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-8 12 launch from?
41/1, Plesetsk Cosmodrome, Russian Federation.
What orbit did Zenit-8 12 reach?
Kosmos-1632, one of 6 catalogued objects, reached a 201 × 236 km orbit inclined 72.9°.
How many satellites did Zenit-8 12 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)