Padside
Menu

Soviet Space ProgramSoyuz U31/6, Baikonur Cosmodrome, Republic of Kazakhstan

Zenit-8 55

Launched

December 7, 1987

Launch Successful

Summary

Zenit-8 55 launched on a Soviet Space Program Soyuz U from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on December 7, 1987. It was Soviet Space Program's 2,136th launch, 86th this year and humanity's 3,242nd orbital launch attempt. It was the 489th Soyuz U flight and the 30th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1899, one of 7 catalogued objects, reached a 216 × 277 km orbit inclined 70.4°. 7 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
489th Soyuz U flight · 30th this yearSoviet Space Program's 2,136th launch86th this yearhumanity's 3,242nd orbital launch attempt103rd orbital launch attempt this year

Flight preview

Orbit: as tracked

70.4°Inclination
216 × 277 kmPerigee × apogeefrom mean elements
89.3 minPeriodfrom mean elements
251.3°Ascending node
14193 d agoElement epoch1987-12-07 08:42 UTC · stale

Kosmos-1899 · NORAD 18625 · 1987-099 · Space-Track · tracking 1 of 7 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
1987-099A
Epoch
1987-12-07 08:42:42 UTC
Mean motion
16.12811429 rev/day
Eccentricity
0.0046275
Inclination
70.3837°
Ascending node
251.3°
Arg. of perigee
76.5889°
Mean anomaly
284.0483°
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

7 catalogued: 1 payload, 1 rocket stage, 5 components; none still in orbit

  • Kosmos-1899 · NORAD 18625 · landed December 21, 1987

Soyuz-U 35-370 Blok-I · re-entered December 13, 1987

Data from J. McDowell, planet4589.org

About this launch

Film-return reconnaissance satellite

Pad

Map of 31/6

31/6, Baikonur Cosmodrome, Republic of Kazakhstan

299th launch from 31/6, 4th this year · 842nd from Baikonur Cosmodrome, Republic of Kazakhstan

430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan

208 days after the previous launch from this pad

Questions

When did Zenit-8 55 launch?

Zenit-8 55 launched on December 7, 1987. The time is known to the hour, not the minute.

Where can I watch Zenit-8 55?

No webcast is on record for this launch.

What rocket launched Zenit-8 55?

Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet

Where did Zenit-8 55 launch from?

31/6, Baikonur Cosmodrome, Republic of Kazakhstan.

What orbit did Zenit-8 55 reach?

Kosmos-1899, one of 7 catalogued objects, reached a 216 × 277 km orbit inclined 70.4°.

How many satellites did Zenit-8 55 launch?

1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).