Soviet Space ProgramVoskhod41/1, Plesetsk Cosmodrome, Russian Federation
Zenit-4M 55
Launched
September 6, 1973
Image: RKK Energia
Summary
Zenit-4M 55 launched on a Soviet Space Program Voskhod from 41/1, Plesetsk Cosmodrome, Russian Federation on September 6, 1973. It was Soviet Space Program's 764th launch, 52nd this year and humanity's 1,491st orbital launch attempt. It was the 224th Voskhod flight and the 21st this year. The payload was bound for low Earth orbit (LEO). Kosmos-584, one of 7 catalogued objects, reached a 216 × 337 km orbit inclined 72.9°. 7 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Voskhod · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 224th Voskhod flight · 21st this yearSoviet Space Program's 764th launch52nd this yearhumanity's 1,491st orbital launch attempt69th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-584 · NORAD 6818 · 1973-063 · Space-Track · tracking 1 of 7 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1973-063A
- Epoch
- 1973-09-06 11:58:03 UTC
- Mean motion
- 16.01763725 rev/day
- Eccentricity
- 0.0090948
- Inclination
- 72.8953°
- Ascending node
- 149.9592°
- Arg. of perigee
- 68.0943°
- Mean anomaly
- 292.9876°
- Element set
- 999
- Rev at epoch
- 1
- 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
7 catalogued: 1 payload, 1 rocket stage, 5 components; none still in orbit
- Kosmos-584 · NORAD 6818 · landed September 20, 1973
Voskhod 19-285 Blok-I · re-entered September 17, 1973
Data from J. McDowell, planet4589.org
About this launch
The soviet Zenit-4M (Rotor, 11F691) was an improved version of the Zenit-4 high resolution reconnaissance satellite and was part of the Vostok-based Zenit-family.
Pad

41/1, Plesetsk Cosmodrome, Russian Federation
103rd launch from 41/1, 10th this year · 307th from Plesetsk Cosmodrome, Russian Federation
310 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
7 days 10 hours after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Zenit-4M 55 launch?
Zenit-4M 55 launched on September 6, 1973. The time is known to the hour, not the minute.
Where can I watch Zenit-4M 55?
No webcast is on record for this launch.
What rocket launched Zenit-4M 55?
Voskhod, flown by Soviet Space Program. Voskhod spec sheet
Where did Zenit-4M 55 launch from?
41/1, Plesetsk Cosmodrome, Russian Federation.
What orbit did Zenit-4M 55 reach?
Kosmos-584, one of 7 catalogued objects, reached a 216 × 337 km orbit inclined 72.9°.
How many satellites did Zenit-4M 55 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
