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Soviet Space ProgramSoyuz U43/3 (43L), Plesetsk Cosmodrome, Russian Federation
Yantar-4K2 61
Launched
November 20, 1991
Summary
Yantar-4K2 61 launched on a Soviet Space Program Soyuz U from 43/3 (43L), Plesetsk Cosmodrome, Russian Federation on November 20, 1991. It was Soviet Space Program's 2,451st launch, 56th this year and humanity's 3,678th orbital launch attempt. It was the 580th Soyuz U flight and the 8th this year. The payload was bound for low Earth orbit (LEO). Kosmos-2171, one of 3 catalogued objects, reached a 196 × 329 km orbit inclined 62.8°. 3 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
- 580th Soyuz U flight · 8th this yearSoviet Space Program's 2,451st launch56th this yearhumanity's 3,678th orbital launch attempt81st orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-2171 · NORAD 21787 · 1991-078 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1991-078A
- Epoch
- 1991-11-20 20:27:12 UTC
- Mean motion
- 16.06919867 rev/day
- Eccentricity
- 0.0100241
- Inclination
- 62.8137°
- Ascending node
- 298.092°
- Arg. of perigee
- 116.3784°
- Mean anomaly
- 244.7699°
- 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
3 catalogued: 1 payload, 1 rocket stage, 1 component; none still in orbit
- Kosmos-2171 · NORAD 21787 · landed January 17, 1992
Soyuz-U 53-984 Blok-I · re-entered November 24, 1991
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad
43/3 (43L), Plesetsk Cosmodrome, Russian Federation
184th launch from 43/3 (43L), 8th this year · 1,379th from Plesetsk Cosmodrome, Russian Federation
234 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
62 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Yantar-4K2 61 launch?
Yantar-4K2 61 launched on November 20, 1991. The time is known to the hour, not the minute.
Where can I watch Yantar-4K2 61?
No webcast is on record for this launch.
What rocket launched Yantar-4K2 61?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4K2 61 launch from?
43/3 (43L), Plesetsk Cosmodrome, Russian Federation.
What orbit did Yantar-4K2 61 reach?
Kosmos-2171, one of 3 catalogued objects, reached a 196 × 329 km orbit inclined 62.8°.
How many satellites did Yantar-4K2 61 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).