Soviet Space ProgramVoskhod31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Zenit-2M 57
Launched
May 21, 1975
Image: RKK Energia
Summary
Zenit-2M 57 launched on a Soviet Space Program Voskhod from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on May 21, 1975. It was Soviet Space Program's 917th launch, 31st this year and humanity's 1,695th orbital launch attempt. It was the 269th Voskhod flight and the 10th this year. The payload was bound for low Earth orbit (LEO). Kosmos-731, one of 8 catalogued objects, reached a 212 × 293 km orbit inclined 65.0°. 8 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
- 269th Voskhod flight · 10th this yearSoviet Space Program's 917th launch31st this yearhumanity's 1,695th orbital launch attempt44th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-731 · NORAD 7810 · 1975-041 · Space-Track · tracking 1 of 8 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1975-041A
- Epoch
- 1975-05-21 08:21:06 UTC
- Mean motion
- 16.10542084 rev/day
- Eccentricity
- 0.0061726
- Inclination
- 64.9664°
- Ascending node
- 19.0055°
- Arg. of perigee
- 43.2807°
- Mean anomaly
- 317.3141°
- 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
8 catalogued: 2 payloads, 1 rocket stage, 5 components; none still in orbit
- Kosmos-731 · NORAD 7810 · landed June 2, 1975
- Kapsula Kosmosa-731 · NORAD 7885 · re-entered June 19, 1975
Voskhod 31-195 Blok-I · re-entered May 30, 1975
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
162nd launch from 31/6, 6th this year · 425th from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
34 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Zenit-2M 57 launch?
Zenit-2M 57 launched on May 21, 1975. The time is known to the hour, not the minute.
Where can I watch Zenit-2M 57?
No webcast is on record for this launch.
What rocket launched Zenit-2M 57?
Voskhod, flown by Soviet Space Program. Voskhod spec sheet
Where did Zenit-2M 57 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Zenit-2M 57 reach?
Kosmos-731, one of 8 catalogued objects, reached a 212 × 293 km orbit inclined 65.0°.
How many satellites did Zenit-2M 57 launch?
2 payloads from this launch are catalogued, none of them still in orbit (Data from J. McDowell, planet4589.org).