Soviet Space ProgramMolniya-M 2BL16/2, Plesetsk Cosmodrome, Russian Federation
US-K 57
Launched
August 30, 1988
Image: Jonathan Space Report
Summary
US-K 57 launched on a Soviet Space Program Molniya-M 2BL from 16/2, Plesetsk Cosmodrome, Russian Federation on August 30, 1988. It was Soviet Space Program's 2,213th launch, 66th this year and humanity's 3,333rd orbital launch attempt. It was the 206th Molniya-M 2BL flight and the 6th this year. The payload was bound for Elliptical Orbit (Elliptical). Kosmos-1966, one of 4 catalogued objects, reached a 603 × 39,322 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
- 206th Molniya-M 2BL flight · 6th this yearSoviet Space Program's 2,213th launch66th this yearhumanity's 3,333rd orbital launch attempt80th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1966 · NORAD 19445 · 1988-076 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- COSMOS 1966
- Object ID
- 1988-076A
- Epoch
- 1988-08-30 15:26:30 UTC
- Mean motion
- 2.03160764 rev/day
- Eccentricity
- 0.7351623
- Inclination
- 62.899°
- Ascending node
- 142.1243°
- Arg. of perigee
- 318.1603°
- Mean anomaly
- 4.2284°
- Element set
- 999
- Rev at epoch
- 1
- 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; none still in orbit
- Kosmos-1966 · NORAD 19445 · re-entered November 10, 2005
Molniya-M 15-526 Blok-I · re-entered September 30, 1988
Blok-2BL No. 76 · re-entered February 7, 2017
Data from J. McDowell, planet4589.org
About this launch
Early warning satellite
Pad

16/2, Plesetsk Cosmodrome, Russian Federation
69th launch from 16/2, 5th this year · 1,231st from Plesetsk Cosmodrome, Russian Federation
136 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
54 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did US-K 57 launch?
US-K 57 launched on August 30, 1988. The time is known to the hour, not the minute.
Where can I watch US-K 57?
No webcast is on record for this launch.
What rocket launched US-K 57?
Molniya-M 2BL, flown by Soviet Space Program. Molniya-M 2BL spec sheet
Where did US-K 57 launch from?
16/2, Plesetsk Cosmodrome, Russian Federation.
What orbit did US-K 57 reach?
Kosmos-1966, one of 4 catalogued objects, reached a 603 × 39,322 km orbit inclined 62.9°.
How many satellites did US-K 57 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
