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Soviet Space ProgramSoyuz U16/2, Plesetsk Cosmodrome, Russian Federation

Yantar-4K2 18

Launched

October 25, 1985

Launch Successful

Summary

Yantar-4K2 18 launched on a Soviet Space Program Soyuz U from 16/2, Plesetsk Cosmodrome, Russian Federation on October 25, 1985. It was Soviet Space Program's 1,939th launch, 83rd this year and humanity's 3,009th orbital launch attempt. It was the 421st Soyuz U flight and the 32nd this year. The payload was bound for low Earth orbit (LEO). Kosmos-1699, one of 2 catalogued objects, reached a 175 × 344 km orbit inclined 67.1°. 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
421st Soyuz U flight · 32nd this yearSoviet Space Program's 1,939th launch83rd this yearhumanity's 3,009th orbital launch attempt105th orbital launch attempt this year

Flight preview

Orbit: as tracked

67.1°Inclination
175 × 344 kmPerigee × apogeefrom mean elements
89.6 minPeriodfrom mean elements
240.6°Ascending node
14965 d agoElement epoch1985-10-25 14:26 UTC · stale

Kosmos-1699 · NORAD 16198 · 1985-101 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
COSMOS 1699
Object ID
1985-101A
Epoch
1985-10-25 14:26:34 UTC
Mean motion
16.08028335 rev/day
Eccentricity
0.0128013
Inclination
67.1381°
Ascending node
240.5856°
Arg. of perigee
95.6235°
Mean anomaly
265.9571°
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

2 catalogued: 1 payload, 1 rocket stage; none still in orbit

  • Kosmos-1699 · NORAD 16198 · landed December 23, 1985

Soyuz-U 46-913 Blok-I · re-entered October 30, 1985

Data from J. McDowell, planet4589.org

About this launch

Film-return reconnaissance satellite

Pad

Map of 16/2

16/2, Plesetsk Cosmodrome, Russian Federation

44th launch from 16/2, 9th this year · 1,081st from Plesetsk Cosmodrome, Russian Federation

136 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation

24 days after the previous launch from this pad

Questions

When did Yantar-4K2 18 launch?

Yantar-4K2 18 launched on October 25, 1985. The time is known to the hour, not the minute.

Where can I watch Yantar-4K2 18?

No webcast is on record for this launch.

What rocket launched Yantar-4K2 18?

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

Where did Yantar-4K2 18 launch from?

16/2, Plesetsk Cosmodrome, Russian Federation.

What orbit did Yantar-4K2 18 reach?

Kosmos-1699, one of 2 catalogued objects, reached a 175 × 344 km orbit inclined 67.1°.

How many satellites did Yantar-4K2 18 launch?

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