Soviet Space ProgramMolniya-M 2BL43/4 (43R), Plesetsk Cosmodrome, Russian Federation
US-K 42
Launched
September 24, 1985
Image: Jonathan Space Report
Summary
US-K 42 launched on a Soviet Space Program Molniya-M 2BL from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on September 24, 1985. It was Soviet Space Program's 1,925th launch, 69th this year and humanity's 2,991st orbital launch attempt. It was the 175th Molniya-M 2BL flight and the 9th this year. The payload was bound for Elliptical Orbit (Elliptical). Kosmos-1684, one of 5 catalogued objects, reached a 589 × 39,351 km orbit inclined 62.9°. 5 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
- 175th Molniya-M 2BL flight · 9th this yearSoviet Space Program's 1,925th launch69th this yearhumanity's 2,991st orbital launch attempt87th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1684 · NORAD 16064 · 1985-084 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- COSMOS 1684
- Object ID
- 1985-084A
- Epoch
- 1985-09-24 14:19:54 UTC
- Mean motion
- 2.03073104 rev/day
- Eccentricity
- 0.7357754
- Inclination
- 62.8955°
- Ascending node
- 332.0044°
- Arg. of perigee
- 316.1496°
- Mean anomaly
- 5.1401°
- 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
5 catalogued: 1 payload, 2 rocket stages, 2 components; 2 still in orbit
- Kosmos-1684 · NORAD 16064 · in orbit
Molniya-M 46-674 Blok-I · re-entered November 21, 1985
Blok-2BL 26-663 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Early warning satellite
Pad
43/4 (43R), Plesetsk Cosmodrome, Russian Federation
185th launch from 43/4 (43R), 9th this year · 1,073rd from Plesetsk Cosmodrome, Russian Federation
329 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
47 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did US-K 42 launch?
US-K 42 launched on September 24, 1985. The time is known to the hour, not the minute.
Where can I watch US-K 42?
No webcast is on record for this launch.
What rocket launched US-K 42?
Molniya-M 2BL, flown by Soviet Space Program. Molniya-M 2BL spec sheet
Where did US-K 42 launch from?
43/4 (43R), Plesetsk Cosmodrome, Russian Federation.
What orbit did US-K 42 reach?
Kosmos-1684, one of 5 catalogued objects, reached a 589 × 39,351 km orbit inclined 62.9°.
How many satellites did US-K 42 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).