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Soviet Space ProgramSoyuz U41/1, Plesetsk Cosmodrome, Russian Federation
Zenit-8 21
Launched
September 19, 1985
Summary
Zenit-8 21 launched on a Soviet Space Program Soyuz U from 41/1, Plesetsk Cosmodrome, Russian Federation on September 19, 1985. It was Soviet Space Program's 1,924th launch, 68th this year and humanity's 2,990th orbital launch attempt. It was the 418th Soyuz U flight and the 29th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1683, one of 8 catalogued objects, reached a 205 × 381 km orbit inclined 72.9°. 8 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
- 418th Soyuz U flight · 29th this yearSoviet Space Program's 1,924th launch68th this yearhumanity's 2,990th orbital launch attempt86th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1683 · NORAD 16056 · 1985-083 · Space-Track · tracking 1 of 8 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1985-083A
- Epoch
- 1985-09-19 09:58:02 UTC
- Mean motion
- 15.9594183 rev/day
- Eccentricity
- 0.0131978
- Inclination
- 72.8749°
- Ascending node
- 155.6007°
- Arg. of perigee
- 90.5923°
- Mean anomaly
- 271.0398°
- 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
8 catalogued: 1 payload, 1 rocket stage, 6 components; none still in orbit
- Kosmos-1683 · NORAD 16056 · landed October 4, 1985
Soyuz-U 21-100 Blok-I · re-entered October 3, 1985
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad
41/1, Plesetsk Cosmodrome, Russian Federation
274th launch from 41/1, 12th this year · 1,072nd from Plesetsk Cosmodrome, Russian Federation
310 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
12 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Zenit-8 21 launch?
Zenit-8 21 launched on September 19, 1985. The time is known to the hour, not the minute.
Where can I watch Zenit-8 21?
No webcast is on record for this launch.
What rocket launched Zenit-8 21?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-8 21 launch from?
41/1, Plesetsk Cosmodrome, Russian Federation.
What orbit did Zenit-8 21 reach?
Kosmos-1683, one of 8 catalogued objects, reached a 205 × 381 km orbit inclined 72.9°.
How many satellites did Zenit-8 21 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).