Soviet Space ProgramSoyuz U16/2, Plesetsk Cosmodrome, Russian Federation
Zenit-8 11
Launched
February 6, 1985
Summary
Zenit-8 11 launched on a Soviet Space Program Soyuz U from 16/2, Plesetsk Cosmodrome, Russian Federation on February 6, 1985. It was Soviet Space Program's 1,866th launch, 10th this year and humanity's 2,916th orbital launch attempt. It was the 392nd Soyuz U flight and the 3rd this year. The payload was bound for low Earth orbit (LEO). Kosmos-1628, one of 11 catalogued objects, reached a 201 × 388 km orbit inclined 72.9°. 11 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
- 392nd Soyuz U flight · 3rd this yearSoviet Space Program's 1,866th launch10th this yearhumanity's 2,916th orbital launch attempt12th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1628 · NORAD 15514 · 1985-012 · Space-Track · tracking 1 of 11 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1985-012A
- Epoch
- 1985-02-06 12:18:19 UTC
- Mean motion
- 15.95337644 rev/day
- Eccentricity
- 0.0139943
- Inclination
- 72.8537°
- Ascending node
- 306.3379°
- Arg. of perigee
- 90.1355°
- Mean anomaly
- 271.3908°
- 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
11 catalogued: 1 payload, 1 rocket stage, 9 components; none still in orbit
- Kosmos-1628 · NORAD 15514 · landed February 20, 1985
Soyuz-U 56-626 Blok-I · re-entered February 21, 1985
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad

16/2, Plesetsk Cosmodrome, Russian Federation
36th launch from 16/2, 1st this year · 1,037th from Plesetsk Cosmodrome, Russian Federation
136 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
124 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Zenit-8 11 launch?
Zenit-8 11 launched on February 6, 1985. The time is known to the hour, not the minute.
Where can I watch Zenit-8 11?
No webcast is on record for this launch.
What rocket launched Zenit-8 11?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-8 11 launch from?
16/2, Plesetsk Cosmodrome, Russian Federation.
What orbit did Zenit-8 11 reach?
Kosmos-1628, one of 11 catalogued objects, reached a 201 × 388 km orbit inclined 72.9°.
How many satellites did Zenit-8 11 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)