Soviet Space ProgramVoskhod31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Zenit-4M 15
Launched
May 18, 1971
Image: RKK Energia
Summary
Zenit-4M 15 launched on a Soviet Space Program Voskhod from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on May 18, 1971. It was Soviet Space Program's 571st launch, 30th this year and humanity's 1,219th orbital launch attempt. It was the 153rd Voskhod flight and the 10th this year. The payload was bound for low Earth orbit (LEO). Kosmos-420, one of 5 catalogued objects, reached a 177 × 221 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
- 153rd Voskhod flight · 10th this yearSoviet Space Program's 571st launch30th this yearhumanity's 1,219th orbital launch attempt48th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-420 · NORAD 5230 · 1971-043 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1971-043A
- Epoch
- 1971-05-18 09:17:30 UTC
- Mean motion
- 16.30090523 rev/day
- Eccentricity
- 0.003348
- Inclination
- 51.6424°
- Ascending node
- 5.3633°
- Arg. of perigee
- 288.3974°
- Mean anomaly
- 71.3366°
- 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-420 · NORAD 5230 · landed May 29, 1971
Voskhod (N153) Blok-I · re-entered May 21, 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
114th launch from 31/6, 6th this year · 324th from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
12 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Zenit-4M 15 launch?
Zenit-4M 15 launched on May 18, 1971. The time is known to the hour, not the minute.
Where can I watch Zenit-4M 15?
No webcast is on record for this launch.
What rocket launched Zenit-4M 15?
Voskhod, flown by Soviet Space Program. Voskhod spec sheet
Where did Zenit-4M 15 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Zenit-4M 15 reach?
Kosmos-420, one of 5 catalogued objects, reached a 177 × 221 km orbit inclined 51.6°.
How many satellites did Zenit-4M 15 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).