Soviet Space ProgramMolniya-M 2BL16/2, Plesetsk Cosmodrome, Russian Federation
US-K 40
Launched
June 18, 1985
Image: Jonathan Space Report
Summary
US-K 40 launched on a Soviet Space Program Molniya-M 2BL from 16/2, Plesetsk Cosmodrome, Russian Federation on June 18, 1985. It was Soviet Space Program's 1,896th launch, 40th this year and humanity's 2,954th orbital launch attempt. It was the 171st Molniya-M 2BL flight and the 5th this year. The payload was bound for Elliptical Orbit (Elliptical). Kosmos-1661, one of 4 catalogued objects, reached a 578 × 40,274 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
- 171st Molniya-M 2BL flight · 5th this yearSoviet Space Program's 1,896th launch40th this yearhumanity's 2,954th orbital launch attempt50th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1661 · NORAD 15827 · 1985-049 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- COSMOS 1661
- Object ID
- 1985-049A
- Epoch
- 1985-06-18 14:00:35 UTC
- Mean motion
- 1.97917369 rev/day
- Eccentricity
- 0.7406935
- Inclination
- 62.9442°
- Ascending node
- 225.6692°
- Arg. of perigee
- 316.2552°
- Mean anomaly
- 5.0264°
- 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; 1 still in orbit
- Kosmos-1661 · NORAD 15827 · in orbit
Molniya-M 32-668 Blok-I · re-entered September 1, 1985
Blok-2BL No. 60 · re-entered August 1, 2024
Data from J. McDowell, planet4589.org
About this launch
Early warning satellite
Pad
16/2, Plesetsk Cosmodrome, Russian Federation
38th launch from 16/2, 3rd this year · 1,055th from Plesetsk Cosmodrome, Russian Federation
136 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
4 days 12 hours after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did US-K 40 launch?
US-K 40 launched on June 18, 1985. The time is known to the hour, not the minute.
Where can I watch US-K 40?
No webcast is on record for this launch.
What rocket launched US-K 40?
Molniya-M 2BL, flown by Soviet Space Program. Molniya-M 2BL spec sheet
Where did US-K 40 launch from?
16/2, Plesetsk Cosmodrome, Russian Federation.
What orbit did US-K 40 reach?
Kosmos-1661, one of 4 catalogued objects, reached a 578 × 40,274 km orbit inclined 62.9°.
How many satellites did US-K 40 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).