Soviet Space ProgramTsiklon-332/2, Plesetsk Cosmodrome, Russian Federation
Tselina-D 49
Launched
July 8, 1985
Image: NASA
Summary
Tselina-D 49 launched on a Soviet Space Program Tsiklon-3 from 32/2, Plesetsk Cosmodrome, Russian Federation on July 8, 1985. It was Soviet Space Program's 1,903rd launch, 47th this year and humanity's 2,963rd orbital launch attempt. It was the 34th Tsiklon-3 flight and the 6th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1666, one of 3 catalogued objects, reached a 632 × 678 km orbit inclined 82.5°. 3 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
- 34th Tsiklon-3 flight · 6th this yearSoviet Space Program's 1,903rd launch47th this yearhumanity's 2,963rd orbital launch attempt59th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1666 · NORAD 15889 · 1985-058 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- COSMOS 1666
- Object ID
- 1985-058A
- Epoch
- 1985-07-09 02:40:14 UTC
- Mean motion
- 14.74143983 rev/day
- Eccentricity
- 0.0032193
- Inclination
- 82.5463°
- Ascending node
- 308.6267°
- Arg. of perigee
- 288.4077°
- Mean anomaly
- 70.951°
- 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: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
3 catalogued: 1 payload, 1 rocket stage, 1 component; 1 still in orbit
- Kosmos-1666 · NORAD 15889 · re-entered June 15, 2025
Tsiklon-3 42-301 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
32/2, Plesetsk Cosmodrome, Russian Federation
20th launch from 32/2, 3rd this year · 1,060th from Plesetsk Cosmodrome, Russian Federation
65 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
125 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Tselina-D 49 launch?
Tselina-D 49 launched on July 8, 1985. The time is known to the hour, not the minute.
Where can I watch Tselina-D 49?
No webcast is on record for this launch.
What rocket launched Tselina-D 49?
Tsiklon-3, flown by Soviet Space Program. Tsiklon-3 spec sheet
Where did Tselina-D 49 launch from?
32/2, Plesetsk Cosmodrome, Russian Federation.
What orbit did Tselina-D 49 reach?
Kosmos-1666, one of 3 catalogued objects, reached a 632 × 678 km orbit inclined 82.5°.
How many satellites did Tselina-D 49 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).