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Soviet Space ProgramSoyuz U41/1, Plesetsk Cosmodrome, Russian Federation

Efir 1

Launched

March 10, 1984

Launch Successful

Summary

Efir 1 launched on a Soviet Space Program Soyuz U from 41/1, Plesetsk Cosmodrome, Russian Federation on March 10, 1984. It was Soviet Space Program's 1,777th launch, 18th this year and humanity's 2,801st orbital launch attempt. It was the 358th Soyuz U flight and the 7th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1543, one of 2 catalogued objects, reached a 222 × 410 km orbit inclined 62.8°. 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
Astrophysics · Low Earth Orbit (LEO)
Milestone
358th Soyuz U flight · 7th this yearSoviet Space Program's 1,777th launch18th this yearhumanity's 2,801st orbital launch attempt26th orbital launch attempt this year

Flight preview

Orbit: as tracked

62.8°Inclination
222 × 410 kmPerigee × apogeefrom mean elements
90.7 minPeriodfrom mean elements
13.3°Ascending node
15559 d agoElement epoch1984-03-10 19:43 UTC · stale

Kosmos-1543 · NORAD 14797 · 1984-026 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
1984-026A
Epoch
1984-03-10 19:43:30 UTC
Mean motion
15.87633509 rev/day
Eccentricity
0.0140027
Inclination
62.7994°
Ascending node
13.3015°
Arg. of perigee
107.6255°
Mean anomaly
253.4166°
Element set
999
Rev at epoch
2
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-1543 · NORAD 14797 · landed April 5, 1984

Soyuz-U No. 309 Blok-I · re-entered March 27, 1984

Data from J. McDowell, planet4589.org

About this launch

Scientific satellite dedicated to cosmic rays research

Pad

Map of 41/1

41/1, Plesetsk Cosmodrome, Russian Federation

251st launch from 41/1, 3rd this year · 981st from Plesetsk Cosmodrome, Russian Federation

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

23 days after the previous launch from this pad

Questions

When did Efir 1 launch?

Efir 1 launched on March 10, 1984. The time is known to the hour, not the minute.

Where can I watch Efir 1?

No webcast is on record for this launch.

What rocket launched Efir 1?

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

Where did Efir 1 launch from?

41/1, Plesetsk Cosmodrome, Russian Federation.

What orbit did Efir 1 reach?

Kosmos-1543, one of 2 catalogued objects, reached a 222 × 410 km orbit inclined 62.8°.

How many satellites did Efir 1 launch?

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