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Soviet Space ProgramSoyuz U43/4 (43R), Plesetsk Cosmodrome, Russian Federation

Zenit-4MKT 25

Launched

May 22, 1984

Launch Successful

Summary

Zenit-4MKT 25 launched on a Soviet Space Program Soyuz U from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on May 22, 1984. It was Soviet Space Program's 1,795th launch, 36th this year and humanity's 2,823rd orbital launch attempt. It was the 365th Soyuz U flight and the 14th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1557, one of 6 catalogued objects, reached a 218 × 261 km orbit inclined 82.4°. 6 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
365th Soyuz U flight · 14th this yearSoviet Space Program's 1,795th launch36th this yearhumanity's 2,823rd orbital launch attempt48th orbital launch attempt this year

Flight preview

Orbit: as tracked

82.4°Inclination
218 × 261 kmPerigee × apogeefrom mean elements
89.1 minPeriodfrom mean elements
34.0°Ascending node
15487 d agoElement epoch1984-05-22 08:19 UTC · stale

Kosmos-1557 · NORAD 14982 · 1984-048 · Space-Track · tracking 1 of 6 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
1984-048A
Epoch
1984-05-22 08:19:11 UTC
Mean motion
16.15319988 rev/day
Eccentricity
0.0032308
Inclination
82.374°
Ascending node
34.0193°
Arg. of perigee
109.4871°
Mean anomaly
250.991°
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

6 catalogued: 1 payload, 1 rocket stage, 4 components; none still in orbit

  • Kosmos-1557 · NORAD 14982 · landed June 4, 1984

Soyuz-U 46-050 Blok-I · re-entered May 26, 1984

Data from J. McDowell, planet4589.org

About this launch

Film-return reconnaissance satellite

Pad

Map of 43/4 (43R)

43/4 (43R), Plesetsk Cosmodrome, Russian Federation

166th launch from 43/4 (43R), 3rd this year · 991st from Plesetsk Cosmodrome, Russian Federation

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

61 days after the previous launch from this pad

Questions

When did Zenit-4MKT 25 launch?

Zenit-4MKT 25 launched on May 22, 1984. The time is known to the hour, not the minute.

Where can I watch Zenit-4MKT 25?

No webcast is on record for this launch.

What rocket launched Zenit-4MKT 25?

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

Where did Zenit-4MKT 25 launch from?

43/4 (43R), Plesetsk Cosmodrome, Russian Federation.

What orbit did Zenit-4MKT 25 reach?

Kosmos-1557, one of 6 catalogued objects, reached a 218 × 261 km orbit inclined 82.4°.

How many satellites did Zenit-4MKT 25 launch?

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