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Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Yantar-4K2 39
Launched
June 22, 1988
Summary
Yantar-4K2 39 launched on a Soviet Space Program Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on June 22, 1988. It was Soviet Space Program's 2,192nd launch, 45th this year and humanity's 3,308th orbital launch attempt. It was the 509th Soyuz U flight and the 16th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1955, one of 3 catalogued objects, reached a 179 × 361 km orbit inclined 64.8°. 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
- 509th Soyuz U flight · 16th this yearSoviet Space Program's 2,192nd launch45th this yearhumanity's 3,308th orbital launch attempt55th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1955 · NORAD 19258 · 1988-054 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- COSMOS 1955
- Object ID
- 1988-054A
- Epoch
- 1988-06-23 20:18:43 UTC
- Mean motion
- 16.04024596 rev/day
- Eccentricity
- 0.0136986
- Inclination
- 64.7553°
- Ascending node
- 136.6838°
- Arg. of perigee
- 66.266°
- Mean anomaly
- 295.3129°
- Element set
- 999
- Rev at epoch
- 21
- B*
- 0.00021458
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
3 catalogued: 1 payload, 1 rocket stage, 1 component; none still in orbit
- Kosmos-1955 · NORAD 19258 · landed August 20, 1988
Soyuz-U 35-373 Blok-I · re-entered June 27, 1988
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad
1/5, Baikonur Cosmodrome, Republic of Kazakhstan
258th launch from 1/5, 10th this year · 872nd from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
11 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Yantar-4K2 39 launch?
Yantar-4K2 39 launched on June 22, 1988. The time is known to the hour, not the minute.
Where can I watch Yantar-4K2 39?
No webcast is on record for this launch.
What rocket launched Yantar-4K2 39?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4K2 39 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Yantar-4K2 39 reach?
Kosmos-1955, one of 3 catalogued objects, reached a 179 × 361 km orbit inclined 64.8°.
How many satellites did Yantar-4K2 39 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).