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Soviet Space ProgramSoyuz U31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Yantar-4K2 17
Launched
August 29, 1985
Summary
Yantar-4K2 17 launched on a Soviet Space Program Soyuz U from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on August 29, 1985. It was Soviet Space Program's 1,919th launch, 63rd this year and humanity's 2,984th orbital launch attempt. It was the 416th Soyuz U flight and the 27th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1679, one of 2 catalogued objects, reached a 181 × 350 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
- 416th Soyuz U flight · 27th this yearSoviet Space Program's 1,919th launch63rd this yearhumanity's 2,984th orbital launch attempt80th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1679 · NORAD 15999 · 1985-078 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- COSMOS 1679
- Object ID
- 1985-078A
- Epoch
- 1985-08-29 13:01:53 UTC
- Mean motion
- 16.05815185 rev/day
- Eccentricity
- 0.0127083
- Inclination
- 64.876°
- Ascending node
- 188.3091°
- Arg. of perigee
- 64.7598°
- Mean anomaly
- 296.6681°
- 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-1679 · NORAD 15999 · landed October 18, 1985
Soyuz-U 56-828 Blok-I · re-entered September 4, 1985
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad
31/6, Baikonur Cosmodrome, Republic of Kazakhstan
284th launch from 31/6, 7th this year · 752nd from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
45 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Yantar-4K2 17 launch?
Yantar-4K2 17 launched on August 29, 1985. The time is known to the hour, not the minute.
Where can I watch Yantar-4K2 17?
No webcast is on record for this launch.
What rocket launched Yantar-4K2 17?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4K2 17 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Yantar-4K2 17 reach?
Kosmos-1679, one of 2 catalogued objects, reached a 181 × 350 km orbit inclined 64.9°.
How many satellites did Yantar-4K2 17 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).