Soviet Space ProgramMolniya-M 2BL43/4 (43R), Plesetsk Cosmodrome, Russian Federation
US-K 54
Launched
June 12, 1987
Image: Jonathan Space Report
Summary
US-K 54 launched on a Soviet Space Program Molniya-M 2BL from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on June 12, 1987. It was Soviet Space Program's 2,095th launch, 45th this year and humanity's 3,192nd orbital launch attempt. It was the 199th Molniya-M 2BL flight and the 3rd this year. The payload was bound for Elliptical Orbit (Elliptical). Kosmos-1851, one of 4 catalogued objects, reached a 605 × 39,384 km orbit inclined 62.9°. 4 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
- 199th Molniya-M 2BL flight · 3rd this yearSoviet Space Program's 2,095th launch45th this yearhumanity's 3,192nd orbital launch attempt53rd orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1851 · NORAD 18103 · 1987-050 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- COSMOS 1851
- Object ID
- 1987-050A
- Epoch
- 1987-06-12 08:53:02 UTC
- Mean motion
- 2.02789775 rev/day
- Eccentricity
- 0.7354117
- Inclination
- 62.8749°
- Ascending node
- 325.1605°
- Arg. of perigee
- 316.176°
- Mean anomaly
- 4.7025°
- Element set
- 999
- Rev at epoch
- 2
- B*
- 0.000099999
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
4 catalogued: 1 payload, 2 rocket stages, 1 component; 2 still in orbit
- Kosmos-1851 · NORAD 18103 · in orbit
Molniya-M 48-507 Blok-I · re-entered August 15, 1987
Blok-2BL 58-672 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Early warning satellite
Pad

43/4 (43R), Plesetsk Cosmodrome, Russian Federation
204th launch from 43/4 (43R), 4th this year · 1,174th from Plesetsk Cosmodrome, Russian Federation
329 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
14 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did US-K 54 launch?
US-K 54 launched on June 12, 1987. The time is known to the hour, not the minute.
Where can I watch US-K 54?
No webcast is on record for this launch.
What rocket launched US-K 54?
Molniya-M 2BL, flown by Soviet Space Program. Molniya-M 2BL spec sheet
Where did US-K 54 launch from?
43/4 (43R), Plesetsk Cosmodrome, Russian Federation.
What orbit did US-K 54 reach?
Kosmos-1851, one of 4 catalogued objects, reached a 605 × 39,384 km orbit inclined 62.9°.
How many satellites did US-K 54 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
