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Soviet Space ProgramSoyuz U43/4 (43R), Plesetsk Cosmodrome, Russian Federation
Yantar-4K2 56
Launched
December 4, 1990
Summary
Yantar-4K2 56 launched on a Soviet Space Program Soyuz U from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on December 4, 1990. It was Soviet Space Program's 2,388th launch, 72nd this year and humanity's 3,590th orbital launch attempt. It was the 571st Soyuz U flight and the 17th this year. The payload was bound for low Earth orbit (LEO). Kosmos-2108, one of 2 catalogued objects, reached a 197 × 324 km orbit inclined 62.8°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Soyuz U · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 571st Soyuz U flight · 17th this yearSoviet Space Program's 2,388th launch72nd this yearhumanity's 3,590th orbital launch attempt114th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-2108 · NORAD 21000 · 1990-109 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1990-109A
- Epoch
- 1990-12-04 21:11:44 UTC
- Mean motion
- 16.07656182 rev/day
- Eccentricity
- 0.0096357
- Inclination
- 62.7976°
- Ascending node
- 300.5539°
- Arg. of perigee
- 113.5175°
- Mean anomaly
- 247.6272°
- 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
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- Kosmos-2108 · NORAD 21000 · landed January 28, 1991
Soyuz-U 47-978 Blok-I · re-entered December 9, 1990
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad
43/4 (43R), Plesetsk Cosmodrome, Russian Federation
231st launch from 43/4 (43R), 13th this year · 1,340th from Plesetsk Cosmodrome, Russian Federation
329 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
18 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Yantar-4K2 56 launch?
Yantar-4K2 56 launched on December 4, 1990. The time is known to the hour, not the minute.
Where can I watch Yantar-4K2 56?
No webcast is on record for this launch.
What rocket launched Yantar-4K2 56?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4K2 56 launch from?
43/4 (43R), Plesetsk Cosmodrome, Russian Federation.
What orbit did Yantar-4K2 56 reach?
Kosmos-2108, one of 2 catalogued objects, reached a 197 × 324 km orbit inclined 62.8°.
How many satellites did Yantar-4K2 56 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).