Soviet Space ProgramMolniya-M 2BL16/2, Plesetsk Cosmodrome, Russian Federation
US-K 23
Launched
October 31, 1981
Image: Jonathan Space Report
Summary
US-K 23 launched on a Soviet Space Program Molniya-M 2BL from 16/2, Plesetsk Cosmodrome, Russian Federation on October 31, 1981. It was Soviet Space Program's 1,540th launch, 89th this year and humanity's 2,501st orbital launch attempt. It was the 131st Molniya-M 2BL flight and the 12th this year. The payload was bound for Elliptical Orbit (Elliptical). Kosmos-1317, one of 14 catalogued objects, reached a 593 × 40,157 km orbit inclined 62.9°. 14 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Molniya-M 2BL · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Elliptical Orbit (Elliptical)
- Milestone
- 131st Molniya-M 2BL flight · 12th this yearSoviet Space Program's 1,540th launch89th this yearhumanity's 2,501st orbital launch attempt110th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1317 · NORAD 12933 · 1981-108 · Space-Track · tracking 1 of 14 objects
Show the numbers for orbit elements
- Object
- COSMOS 1317
- Object ID
- 1981-108A
- Epoch
- 1981-10-31 12:00:38 UTC
- Mean motion
- 1.9847765 rev/day
- Eccentricity
- 0.7396336
- Inclination
- 62.8711°
- Ascending node
- 333.1126°
- Arg. of perigee
- 316.1492°
- Mean anomaly
- 4.8092°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 9.999e-7
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: Elliptical. Ascent drawn from padside's representative profile.
Catalogued objects
14 catalogued: 1 payload, 2 rocket stages, 10 debris, 1 component; 12 still in orbit
- Kosmos-1317 · NORAD 12933 · in orbit
Molniya-M 47-555 Blok-I · re-entered November 23, 1981
Blok-L · in orbit
Data from J. McDowell, planet4589.org
About this launch
Early warning satellite
Pad

16/2, Plesetsk Cosmodrome, Russian Federation
3rd launch from 16/2, 3rd this year · 842nd from Plesetsk Cosmodrome, Russian Federation
136 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
88 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did US-K 23 launch?
US-K 23 launched on October 31, 1981. The time is known to the hour, not the minute.
Where can I watch US-K 23?
No webcast is on record for this launch.
What rocket launched US-K 23?
Molniya-M 2BL, flown by Soviet Space Program. Molniya-M 2BL spec sheet
Where did US-K 23 launch from?
16/2, Plesetsk Cosmodrome, Russian Federation.
What orbit did US-K 23 reach?
Kosmos-1317, one of 14 catalogued objects, reached a 593 × 40,157 km orbit inclined 62.9°.
How many satellites did US-K 23 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
