Soviet Space ProgramVoskhod31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Zenit-2M 20
Launched
June 24, 1971
Image: RKK Energia
Summary
Zenit-2M 20 launched on a Soviet Space Program Voskhod from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on June 24, 1971. It was Soviet Space Program's 582nd launch, 41st this year and humanity's 1,233rd orbital launch attempt. It was the 156th Voskhod flight and the 13th this year. The payload was bound for low Earth orbit (LEO). Kosmos-428, one of 7 catalogued objects, reached a 211 × 250 km orbit inclined 51.8°. 7 objects from this launch are catalogued, 2 of them payloads.
- 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
- 156th Voskhod flight · 13th this yearSoviet Space Program's 582nd launch41st this yearhumanity's 1,233rd orbital launch attempt62nd orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-428 · NORAD 5305 · 1971-057 · Space-Track · tracking 1 of 7 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1971-057A
- Epoch
- 1971-06-24 10:46:42 UTC
- Mean motion
- 16.18571281 rev/day
- Eccentricity
- 0.00296
- Inclination
- 51.7626°
- Ascending node
- 41.665°
- Arg. of perigee
- 38.706°
- Mean anomaly
- 321.6028°
- 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: 2 payloads, 1 rocket stage, 4 components; none still in orbit
- Kosmos-428 · NORAD 5305 · landed July 6, 1971
- Kapsula Kosmosa-428 · NORAD 5315 · re-entered July 13, 1971
Voskhod (N156) Blok-I · re-entered June 28, 1971
Data from J. McDowell, planet4589.org
About this launch
The soviet Zenit-2M (Gektor, 11F690) was an improved version of the Zenit-2 area surveillance reconnaissance satellite. It was part of the Vostok-based Zenit-family.
Pad
31/6, Baikonur Cosmodrome, Republic of Kazakhstan
115th launch from 31/6, 7th this year · 328th from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
36 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Zenit-2M 20 launch?
Zenit-2M 20 launched on June 24, 1971. The time is known to the hour, not the minute.
Where can I watch Zenit-2M 20?
No webcast is on record for this launch.
What rocket launched Zenit-2M 20?
Voskhod, flown by Soviet Space Program. Voskhod spec sheet
Where did Zenit-2M 20 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Zenit-2M 20 reach?
Kosmos-428, one of 7 catalogued objects, reached a 211 × 250 km orbit inclined 51.8°.
How many satellites did Zenit-2M 20 launch?
2 payloads from this launch are catalogued, none of them still in orbit (Data from J. McDowell, planet4589.org).