Soviet Space ProgramMolniya-M 2BL43/4 (43R), Plesetsk Cosmodrome, Russian Federation
US-K 12
Launched
August 28, 1979
Image: Jonathan Space Report
Summary
US-K 12 launched on a Soviet Space Program Molniya-M 2BL from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on August 28, 1979. It was Soviet Space Program's 1,338th launch, 65th this year and humanity's 2,253rd orbital launch attempt. It was the 106th Molniya-M 2BL flight and the 6th this year. The payload was bound for Elliptical Orbit (Elliptical). Kosmos-1124, one of 9 catalogued objects, reached a 570 × 40,270 km orbit inclined 63.0°. 9 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
- 106th Molniya-M 2BL flight · 6th this yearSoviet Space Program's 1,338th launch65th this yearhumanity's 2,253rd orbital launch attempt80th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1124 · NORAD 11509 · 1979-077 · Space-Track · tracking 1 of 9 objects
Show the numbers for orbit elements
- Object
- COSMOS 1124
- Object ID
- 1979-077A
- Epoch
- 1979-08-28 01:29:37 UTC
- Mean motion
- 1.97979128 rev/day
- Eccentricity
- 0.7409029
- Inclination
- 62.9896°
- Ascending node
- 289.5263°
- Arg. of perigee
- 318.2962°
- Mean anomaly
- 4.6852°
- 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: Elliptical. Ascent drawn from padside's representative profile.
Catalogued objects
9 catalogued: 1 payload, 2 rocket stages, 5 debris, 1 component; 3 still in orbit
- Kosmos-1124 · NORAD 11509 · re-entered September 27, 2023
Molniya-M 55-531 Blok-I · re-entered September 28, 1979
Blok-L · re-entered April 10, 2025
Data from J. McDowell, planet4589.org
About this launch
Early warning satellite
Pad
43/4 (43R), Plesetsk Cosmodrome, Russian Federation
144th launch from 43/4 (43R), 14th this year · 702nd from Plesetsk Cosmodrome, Russian Federation
329 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
10 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did US-K 12 launch?
US-K 12 launched on August 28, 1979. The time is known to the hour, not the minute.
Where can I watch US-K 12?
No webcast is on record for this launch.
What rocket launched US-K 12?
Molniya-M 2BL, flown by Soviet Space Program. Molniya-M 2BL spec sheet
Where did US-K 12 launch from?
43/4 (43R), Plesetsk Cosmodrome, Russian Federation.
What orbit did US-K 12 reach?
Kosmos-1124, one of 9 catalogued objects, reached a 570 × 40,270 km orbit inclined 63.0°.
How many satellites did US-K 12 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).