Soviet Space ProgramSoyuz U43/3 (43L), Plesetsk Cosmodrome, Russian Federation
Zenit-6U 35
Launched
April 7, 1981
Summary
Zenit-6U 35 launched on a Soviet Space Program Soyuz U from 43/3 (43L), Plesetsk Cosmodrome, Russian Federation on April 7, 1981. It was Soviet Space Program's 1,480th launch, 29th this year and humanity's 2,425th orbital launch attempt. It was the 235th Soyuz U flight and the 12th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1262, one of 6 catalogued objects, reached a 203 × 399 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
- 235th Soyuz U flight · 12th this yearSoviet Space Program's 1,480th launch29th this yearhumanity's 2,425th orbital launch attempt34th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1262 · NORAD 12385 · 1981-032 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1981-032A
- Epoch
- 1981-04-07 12:09:30 UTC
- Mean motion
- 15.93077013 rev/day
- Eccentricity
- 0.0147051
- Inclination
- 72.8717°
- Ascending node
- 3.0213°
- Arg. of perigee
- 85.7128°
- Mean anomaly
- 276.0887°
- 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
6 catalogued: 1 payload, 1 rocket stage, 4 components; none still in orbit
- Kosmos-1262 · NORAD 12385 · landed April 21, 1981
Soyuz-U 53-480 Blok-I · re-entered April 13, 1981
Data from J. McDowell, planet4589.org
About this launch
Optical film-return reconnaissance satellite
Pad

43/3 (43L), Plesetsk Cosmodrome, Russian Federation
128th launch from 43/3 (43L), 4th this year · 804th from Plesetsk Cosmodrome, Russian Federation
234 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
52 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Zenit-6U 35 launch?
Zenit-6U 35 launched on April 7, 1981. The time is known to the hour, not the minute.
Where can I watch Zenit-6U 35?
No webcast is on record for this launch.
What rocket launched Zenit-6U 35?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-6U 35 launch from?
43/3 (43L), Plesetsk Cosmodrome, Russian Federation.
What orbit did Zenit-6U 35 reach?
Kosmos-1262, one of 6 catalogued objects, reached a 203 × 399 km orbit inclined 72.9°.
How many satellites did Zenit-6U 35 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)