Soviet Space ProgramVoskhod31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Zenit-4M 47
Launched
March 6, 1973
Image: RKK Energia
Summary
Zenit-4M 47 launched on a Soviet Space Program Voskhod from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on March 6, 1973. It was Soviet Space Program's 724th launch, 12th this year and humanity's 1,434th orbital launch attempt. It was the 208th Voskhod flight and the 5th this year. The payload was bound for low Earth orbit (LEO). Kosmos-551, one of 5 catalogued objects, reached a 209 × 299 km orbit inclined 65.0°. 5 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
- 208th Voskhod flight · 5th this yearSoviet Space Program's 724th launch12th this yearhumanity's 1,434th orbital launch attempt12th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-551 · NORAD 6378 · 1973-012 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1973-012A
- Epoch
- 1973-03-06 10:41:38 UTC
- Mean motion
- 16.1015976 rev/day
- Eccentricity
- 0.0067965
- Inclination
- 64.9874°
- Ascending node
- 339.8986°
- Arg. of perigee
- 48.9028°
- Mean anomaly
- 311.7936°
- 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
5 catalogued: 1 payload, 1 rocket stage, 3 components; none still in orbit
- Kosmos-551 · NORAD 6378 · landed March 20, 1973
Voskhod 23-249 Blok-I · re-entered March 13, 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

31/6, Baikonur Cosmodrome, Republic of Kazakhstan
144th launch from 31/6, 4th this year · 371st from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
19 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Zenit-4M 47 launch?
Zenit-4M 47 launched on March 6, 1973. The time is known to the hour, not the minute.
Where can I watch Zenit-4M 47?
No webcast is on record for this launch.
What rocket launched Zenit-4M 47?
Voskhod, flown by Soviet Space Program. Voskhod spec sheet
Where did Zenit-4M 47 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Zenit-4M 47 reach?
Kosmos-551, one of 5 catalogued objects, reached a 209 × 299 km orbit inclined 65.0°.
How many satellites did Zenit-4M 47 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
