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Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan

Yantar-4K2 9

Launched

July 31, 1984

Launch Successful

Summary

Yantar-4K2 9 launched on a Soviet Space Program Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on July 31, 1984. It was Soviet Space Program's 1,820th launch, 61st this year and humanity's 2,852nd orbital launch attempt. It was the 378th Soyuz U flight and the 27th this year. The payload was bound for low Earth orbit (LEO). The tracked orbit of Kosmos-1585, one of 2 catalogued objects, from August 6, 1984, was 175 × 316 km inclined 64.7°. 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
378th Soyuz U flight · 27th this yearSoviet Space Program's 1,820th launch61st this yearhumanity's 2,852nd orbital launch attempt77th orbital launch attempt this year

Flight preview

Orbit: as tracked

64.7°Inclination
175 × 316 kmPerigee × apogeefrom mean elements
89.3 minPeriodfrom mean elements
151.0°Ascending node
15411 d agoElement epoch1984-08-06 05:06 UTC · stale

Kosmos-1585 · NORAD 15142 · 1984-077 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
1984-077A
Epoch
1984-08-06 05:06:01 UTC
Mean motion
16.12963518 rev/day
Eccentricity
0.0106581
Inclination
64.7292°
Ascending node
150.9903°
Arg. of perigee
66.3248°
Mean anomaly
294.9142°
Element set
999
Rev at epoch
92
B*
0.00020911

Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.

Catalogued objects

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

  • Kosmos-1585 · NORAD 15142 · landed September 28, 1984

Soyuz-U 46-823 Blok-I · re-entered August 3, 1984

Data from J. McDowell, planet4589.org

About this launch

Film-return reconnaissance satellite

Pad

Map of 1/5

1/5, Baikonur Cosmodrome, Republic of Kazakhstan

208th launch from 1/5, 2nd this year · 715th from Baikonur Cosmodrome, Republic of Kazakhstan

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

50 days after the previous launch from this pad

Questions

When did Yantar-4K2 9 launch?

Yantar-4K2 9 launched on July 31, 1984. The time is known to the hour, not the minute.

Where can I watch Yantar-4K2 9?

No webcast is on record for this launch.

What rocket launched Yantar-4K2 9?

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

Where did Yantar-4K2 9 launch from?

1/5, Baikonur Cosmodrome, Republic of Kazakhstan.

What orbit did Yantar-4K2 9 reach?

The tracked orbit of Kosmos-1585, one of 2 catalogued objects, from August 6, 1984, was 175 × 316 km inclined 64.7°.

How many satellites did Yantar-4K2 9 launch?

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