Soviet Space ProgramVoskhod31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Zenit-4M 18
Launched
July 20, 1971
Image: RKK Energia
Summary
Zenit-4M 18 launched on a Soviet Space Program Voskhod from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on July 20, 1971. It was Soviet Space Program's 586th launch, 45th this year and humanity's 1,239th orbital launch attempt. It was the 158th Voskhod flight and the 15th this year. The payload was bound for low Earth orbit (LEO). Kosmos-429, one of 5 catalogued objects, reached a 208 × 244 km orbit inclined 51.6°. 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
- 158th Voskhod flight · 15th this yearSoviet Space Program's 586th launch45th this yearhumanity's 1,239th orbital launch attempt68th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-429 · NORAD 5331 · 1971-061 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1971-061A
- Epoch
- 1971-07-20 12:46:23 UTC
- Mean motion
- 16.20213318 rev/day
- Eccentricity
- 0.0027017
- Inclination
- 51.6044°
- Ascending node
- 97.0784°
- Arg. of perigee
- 99.2669°
- Mean anomaly
- 261.1364°
- 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
5 catalogued: 1 payload, 1 rocket stage, 3 components; none still in orbit
- Kosmos-429 · NORAD 5331 · landed August 2, 1971
Voskhod (N158) Blok-I · re-entered July 23, 1971
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
116th launch from 31/6, 8th this year · 330th from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
26 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Zenit-4M 18 launch?
Zenit-4M 18 launched on July 20, 1971. The time is known to the hour, not the minute.
Where can I watch Zenit-4M 18?
No webcast is on record for this launch.
What rocket launched Zenit-4M 18?
Voskhod, flown by Soviet Space Program. Voskhod spec sheet
Where did Zenit-4M 18 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Zenit-4M 18 reach?
Kosmos-429, one of 5 catalogued objects, reached a 208 × 244 km orbit inclined 51.6°.
How many satellites did Zenit-4M 18 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).