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Soviet Space ProgramSoyuz U31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Yantar-4K2 35
Launched
December 14, 1987
Summary
Yantar-4K2 35 launched on a Soviet Space Program Soyuz U from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on December 14, 1987. It was Soviet Space Program's 2,139th launch, 89th this year and humanity's 3,245th orbital launch attempt. It was the 490th Soyuz U flight and the 31st this year. The payload was bound for low Earth orbit (LEO). Kosmos-1901, one of 2 catalogued objects, reached a 182 × 361 km orbit inclined 64.9°. 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
- 490th Soyuz U flight · 31st this yearSoviet Space Program's 2,139th launch89th this yearhumanity's 3,245th orbital launch attempt106th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1901 · NORAD 18666 · 1987-102 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1987-102A
- Epoch
- 1987-12-14 11:22:12 UTC
- Mean motion
- 16.03690786 rev/day
- Eccentricity
- 0.0134715
- Inclination
- 64.9153°
- Ascending node
- 291.0426°
- Arg. of perigee
- 64.2083°
- Mean anomaly
- 297.2913°
- 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; none still in orbit
- Kosmos-1901 · NORAD 18666 · landed February 3, 1988
Soyuz-U 15-943 Blok-I · re-entered December 20, 1987
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad
31/6, Baikonur Cosmodrome, Republic of Kazakhstan
300th launch from 31/6, 5th this year · 845th from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
7 days 2 hours after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Yantar-4K2 35 launch?
Yantar-4K2 35 launched on December 14, 1987. The time is known to the hour, not the minute.
Where can I watch Yantar-4K2 35?
No webcast is on record for this launch.
What rocket launched Yantar-4K2 35?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4K2 35 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Yantar-4K2 35 reach?
Kosmos-1901, one of 2 catalogued objects, reached a 182 × 361 km orbit inclined 64.9°.
How many satellites did Yantar-4K2 35 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).