Soviet Space ProgramSoyuz U31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Zenit-6U 46
Launched
September 4, 1981
Summary
Zenit-6U 46 launched on a Soviet Space Program Soyuz U from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on September 4, 1981. It was Soviet Space Program's 1,522nd launch, 71st this year and humanity's 2,479th orbital launch attempt. It was the 256th Soyuz U flight and the 33rd this year. The payload was bound for low Earth orbit (LEO). Kosmos-1303, one of 7 catalogued objects, reached a 213 × 370 km orbit inclined 70.4°. 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
- 256th Soyuz U flight · 33rd this yearSoviet Space Program's 1,522nd launch71st this yearhumanity's 2,479th orbital launch attempt88th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1303 · NORAD 12801 · 1981-086 · Space-Track · tracking 1 of 7 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1981-086A
- Epoch
- 1981-09-04 09:22:59 UTC
- Mean motion
- 15.96377901 rev/day
- Eccentricity
- 0.011792
- Inclination
- 70.4069°
- Ascending node
- 146.4624°
- Arg. of perigee
- 66.1812°
- Mean anomaly
- 295.1548°
- 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
7 catalogued: 1 payload, 1 rocket stage, 5 components; none still in orbit
- Kosmos-1303 · NORAD 12801 · landed September 18, 1981
Soyuz-U 17-941 Blok-I · re-entered September 12, 1981
Data from J. McDowell, planet4589.org
About this launch
Optical film-return reconnaissance satellite
Pad

31/6, Baikonur Cosmodrome, Republic of Kazakhstan
236th launch from 31/6, 14th this year · 607th from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
13 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Zenit-6U 46 launch?
Zenit-6U 46 launched on September 4, 1981. The time is known to the hour, not the minute.
Where can I watch Zenit-6U 46?
No webcast is on record for this launch.
What rocket launched Zenit-6U 46?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-6U 46 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Zenit-6U 46 reach?
Kosmos-1303, one of 7 catalogued objects, reached a 213 × 370 km orbit inclined 70.4°.
How many satellites did Zenit-6U 46 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)