Soviet Space ProgramMolniya-M 2BL41/1, Plesetsk Cosmodrome, Russian Federation
Molniya-1 31
Launched
September 2, 1975
Image: Jonathan Space Report
Summary
Molniya-1 31 launched on a Soviet Space Program Molniya-M 2BL from 41/1, Plesetsk Cosmodrome, Russian Federation on September 2, 1975. It was Soviet Space Program's 945th launch, 59th this year and humanity's 1,734th orbital launch attempt. It was the 65th Molniya-M 2BL flight and the 7th this year. The payload was bound for Elliptical Orbit (Elliptical). Molniya-1, one of 5 catalogued objects, reached a 625 × 40,620 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
- Communications · Elliptical Orbit (Elliptical)
- Milestone
- 65th Molniya-M 2BL flight · 7th this yearSoviet Space Program's 945th launch59th this yearhumanity's 1,734th orbital launch attempt83rd orbital launch attempt this year
Flight preview
Orbit: as tracked
Molniya-1 · NORAD 8187 · 1975-079 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- MOLNIYA 1-31
- Object ID
- 1975-079A
- Epoch
- 1975-09-02 14:23:18 UTC
- Mean motion
- 1.95758721 rev/day
- Eccentricity
- 0.7408288
- Inclination
- 62.9025°
- Ascending node
- 128.1982°
- Arg. of perigee
- 288.3841°
- Mean anomaly
- 9.203°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0
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; none still in orbit
- Molniya-1 · NORAD 8187 · re-entered November 19, 1985
Molniya-M 31-571 Blok-I · re-entered November 10, 1975
Blok-L · re-entered July 8, 1986
Data from J. McDowell, planet4589.org
About this launch
The Molniya were Soviet communication satellites operating from an inclined highly elliptical earth orbit of 500 km × 40000 km with 12 hour period for coverage of high northern latitudes.
Pad

41/1, Plesetsk Cosmodrome, Russian Federation
139th launch from 41/1, 18th this year · 436th from Plesetsk Cosmodrome, Russian Federation
310 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
5 days 22 hours after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Molniya-1 31 launch?
Molniya-1 31 launched on September 2, 1975. The time is known to the hour, not the minute.
Where can I watch Molniya-1 31?
No webcast is on record for this launch.
What rocket launched Molniya-1 31?
Molniya-M 2BL, flown by Soviet Space Program. Molniya-M 2BL spec sheet
Where did Molniya-1 31 launch from?
41/1, Plesetsk Cosmodrome, Russian Federation.
What orbit did Molniya-1 31 reach?
Molniya-1, one of 5 catalogued objects, reached a 625 × 40,620 km orbit inclined 62.9°.
How many satellites did Molniya-1 31 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
