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

Yantar-4KS1 2

Launched

May 14, 1984

Launch Successful

Summary

Yantar-4KS1 2 launched on a Soviet Space Program Soyuz U from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on May 14, 1984. It was Soviet Space Program's 1,792nd launch, 33rd this year and humanity's 2,820th orbital launch attempt. It was the 364th Soyuz U flight and the 13th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1552, one of 5 catalogued objects, reached a 189 × 320 km orbit inclined 64.9°. 5 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
364th Soyuz U flight · 13th this yearSoviet Space Program's 1,792nd launch33rd this yearhumanity's 2,820th orbital launch attempt45th orbital launch attempt this year

Flight preview

Orbit: as tracked

64.9°Inclination
189 × 320 kmPerigee × apogeefrom mean elements
89.5 minPeriodfrom mean elements
118.5°Ascending node
15494 d agoElement epoch1984-05-14 13:52 UTC · stale

Kosmos-1552 · NORAD 14971 · 1984-045 · Space-Track · tracking 1 of 5 objects

Show the numbers for orbit elements
Object
COSMOS 1552
Object ID
1984-045A
Epoch
1984-05-14 13:52:10 UTC
Mean motion
16.09732761 rev/day
Eccentricity
0.0098871
Inclination
64.9484°
Ascending node
118.5145°
Arg. of perigee
66.3693°
Mean anomaly
294.782°
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

5 catalogued: 1 payload, 1 rocket stage, 3 components; none still in orbit

  • Kosmos-1552 · NORAD 14971 · deorbited November 3, 1984

Soyuz-U No. 364 Blok-I · re-entered May 19, 1984

Data from J. McDowell, planet4589.org

About this launch

First generation electro-optical reconnaissance satellite

Pad

Map of 31/6

31/6, Baikonur Cosmodrome, Republic of Kazakhstan

275th launch from 31/6, 8th this year · 707th from Baikonur Cosmodrome, Republic of Kazakhstan

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

6 days 15 hours after the previous launch from this pad

Questions

When did Yantar-4KS1 2 launch?

Yantar-4KS1 2 launched on May 14, 1984. The time is known to the hour, not the minute.

Where can I watch Yantar-4KS1 2?

No webcast is on record for this launch.

What rocket launched Yantar-4KS1 2?

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

Where did Yantar-4KS1 2 launch from?

31/6, Baikonur Cosmodrome, Republic of Kazakhstan.

What orbit did Yantar-4KS1 2 reach?

Kosmos-1552, one of 5 catalogued objects, reached a 189 × 320 km orbit inclined 64.9°.

How many satellites did Yantar-4KS1 2 launch?

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