Soviet Space ProgramTsiklon-332/1, Plesetsk Cosmodrome, Russian Federation
Tselina-D 50
Launched
August 8, 1985
Image: NASA
Summary
Tselina-D 50 launched on a Soviet Space Program Tsiklon-3 from 32/1, Plesetsk Cosmodrome, Russian Federation on August 8, 1985. It was Soviet Space Program's 1,912th launch, 56th this year and humanity's 2,974th orbital launch attempt. It was the 35th Tsiklon-3 flight and the 7th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1674, one of 2 catalogued objects, reached a 649 × 847 km orbit inclined 82.6°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Tsiklon-3 · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 35th Tsiklon-3 flight · 7th this yearSoviet Space Program's 1,912th launch56th this yearhumanity's 2,974th orbital launch attempt70th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1674 · NORAD 15944 · 1985-069 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- COSMOS 1674
- Object ID
- 1985-069A
- Epoch
- 1985-08-08 13:11:33 UTC
- Mean motion
- 14.45230506 rev/day
- Eccentricity
- 0.0139173
- Inclination
- 82.5968°
- Ascending node
- 161.0317°
- Arg. of perigee
- 74.7707°
- Mean anomaly
- 286.8826°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 1 still in orbit
- Kosmos-1674 · NORAD 15944 · re-entered May 30, 2025
Tsiklon-3 32-306 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Tselina-D satellites provided detailed observation of radio sources detected by the smaller Tselina-O satellites as part of the Tselina ELINT system.
Pad
32/1, Plesetsk Cosmodrome, Russian Federation
15th launch from 32/1, 4th this year · 1,065th from Plesetsk Cosmodrome, Russian Federation
57 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
55 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Tselina-D 50 launch?
Tselina-D 50 launched on August 8, 1985. The time is known to the hour, not the minute.
Where can I watch Tselina-D 50?
No webcast is on record for this launch.
What rocket launched Tselina-D 50?
Tsiklon-3, flown by Soviet Space Program. Tsiklon-3 spec sheet
Where did Tselina-D 50 launch from?
32/1, Plesetsk Cosmodrome, Russian Federation.
What orbit did Tselina-D 50 reach?
Kosmos-1674, one of 2 catalogued objects, reached a 649 × 847 km orbit inclined 82.6°.
How many satellites did Tselina-D 50 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).