Soviet Space ProgramSoyuz U43/3 (43L), Plesetsk Cosmodrome, Russian Federation
Yantar-2K 7
Launched
September 6, 1977
Summary
Yantar-2K 7 launched on a Soviet Space Program Soyuz U from 43/3 (43L), Plesetsk Cosmodrome, Russian Federation on September 6, 1977. It was Soviet Space Program's 1,149th launch, 69th this year and humanity's 2,003rd orbital launch attempt. It was the 76th Soyuz U flight and the 29th this year. The payload was bound for low Earth orbit (LEO). Kosmos-949, one of 3 catalogued objects, reached a 183 × 336 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
- 76th Soyuz U flight · 29th this yearSoviet Space Program's 1,149th launch69th this yearhumanity's 2,003rd orbital launch attempt88th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-949 · NORAD 10326 · 1977-085 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1977-085A
- Epoch
- 1977-09-06 20:12:19 UTC
- Mean motion
- 16.0806427 rev/day
- Eccentricity
- 0.0115281
- Inclination
- 62.8012°
- Ascending node
- 197.9918°
- Arg. of perigee
- 64.7467°
- Mean anomaly
- 297.9693°
- Element set
- 999
- Rev at epoch
- 2
- 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-949 · NORAD 10326 · landed October 6, 1977
Soyuz-U 52-961 Blok-I · re-entered September 11, 1977
Data from J. McDowell, planet4589.org
About this launch
High-resolution film-return Yantar reconnaissance satellite
Pad

43/3 (43L), Plesetsk Cosmodrome, Russian Federation
67th launch from 43/3 (43L), 13th this year · 572nd from Plesetsk Cosmodrome, Russian Federation
234 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
6 days 23 hours after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Yantar-2K 7 launch?
Yantar-2K 7 launched on September 6, 1977. The time is known to the hour, not the minute.
Where can I watch Yantar-2K 7?
No webcast is on record for this launch.
What rocket launched Yantar-2K 7?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-2K 7 launch from?
43/3 (43L), Plesetsk Cosmodrome, Russian Federation.
What orbit did Yantar-2K 7 reach?
Kosmos-949, one of 3 catalogued objects, reached a 183 × 336 km orbit inclined 62.8°.
How many satellites did Yantar-2K 7 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Soyuz U - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz2520u_image_20190222031023.jpeg&w=1600)