Soviet Space ProgramMolniya-M 2BL41/1, Plesetsk Cosmodrome, Russian Federation
US-K 39
Launched
June 11, 1985
Image: Jonathan Space Report
Summary
US-K 39 launched on a Soviet Space Program Molniya-M 2BL from 41/1, Plesetsk Cosmodrome, Russian Federation on June 11, 1985. It was Soviet Space Program's 1,893rd launch, 37th this year and humanity's 2,950th orbital launch attempt. It was the 170th Molniya-M 2BL flight and the 4th this year. The payload was bound for Elliptical Orbit (Elliptical). Kosmos-1658, one of 4 catalogued objects, reached a 609 × 39,468 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
- 170th Molniya-M 2BL flight · 4th this yearSoviet Space Program's 1,893rd launch37th this yearhumanity's 2,950th orbital launch attempt46th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1658 · NORAD 15808 · 1985-045 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- COSMOS 1658
- Object ID
- 1985-045A
- Epoch
- 1985-06-11 16:19:11 UTC
- Mean motion
- 2.02282227 rev/day
- Eccentricity
- 0.7357034
- Inclination
- 62.894°
- Ascending node
- 66.544°
- Arg. of perigee
- 319.497°
- Mean anomaly
- 24.454°
- 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-1658 · NORAD 15808 · re-entered November 12, 2005
Molniya-M 32-669 Blok-I · re-entered August 24, 1985
Blok-2BL No. 61 · re-entered March 18, 2002
Data from J. McDowell, planet4589.org
About this launch
Early warning satellite
Pad

41/1, Plesetsk Cosmodrome, Russian Federation
267th launch from 41/1, 5th this year · 1,052nd from Plesetsk Cosmodrome, Russian Federation
310 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
20 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did US-K 39 launch?
US-K 39 launched on June 11, 1985. The time is known to the hour, not the minute.
Where can I watch US-K 39?
No webcast is on record for this launch.
What rocket launched US-K 39?
Molniya-M 2BL, flown by Soviet Space Program. Molniya-M 2BL spec sheet
Where did US-K 39 launch from?
41/1, Plesetsk Cosmodrome, Russian Federation.
What orbit did US-K 39 reach?
Kosmos-1658, one of 4 catalogued objects, reached a 609 × 39,468 km orbit inclined 62.9°.
How many satellites did US-K 39 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
