Soviet Space ProgramVoskhod41/1, Plesetsk Cosmodrome, Russian Federation
Zenit-2M 56
Launched
April 18, 1975
Image: RKK Energia
Summary
Zenit-2M 56 launched on a Soviet Space Program Voskhod from 41/1, Plesetsk Cosmodrome, Russian Federation on April 18, 1975. It was Soviet Space Program's 912th launch, 26th this year and humanity's 1,685th orbital launch attempt. It was the 267th Voskhod flight and the 8th this year. The payload was bound for low Earth orbit (LEO). Kosmos-728, one of 7 catalogued objects, reached a 205 × 333 km orbit inclined 72.8°. 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
- 267th Voskhod flight · 8th this yearSoviet Space Program's 912th launch26th this yearhumanity's 1,685th orbital launch attempt34th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-728 · NORAD 7745 · 1975-031 · Space-Track · tracking 1 of 7 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1975-031A
- Epoch
- 1975-04-18 11:17:57 UTC
- Mean motion
- 16.04520155 rev/day
- Eccentricity
- 0.0097051
- Inclination
- 72.848°
- Ascending node
- 0.4961°
- Arg. of perigee
- 70.3191°
- Mean anomaly
- 290.8429°
- 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-728 · NORAD 7745 · landed April 29, 1975
- Kapsula Kosmosa-728 · NORAD 7779 · re-entered May 16, 1975
Voskhod 16-212 Blok-I · re-entered April 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
41/1, Plesetsk Cosmodrome, Russian Federation
129th launch from 41/1, 8th this year · 412th from Plesetsk Cosmodrome, Russian Federation
310 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
3 days 16 hours after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Zenit-2M 56 launch?
Zenit-2M 56 launched on April 18, 1975. The time is known to the hour, not the minute.
Where can I watch Zenit-2M 56?
No webcast is on record for this launch.
What rocket launched Zenit-2M 56?
Voskhod, flown by Soviet Space Program. Voskhod spec sheet
Where did Zenit-2M 56 launch from?
41/1, Plesetsk Cosmodrome, Russian Federation.
What orbit did Zenit-2M 56 reach?
Kosmos-728, one of 7 catalogued objects, reached a 205 × 333 km orbit inclined 72.8°.
How many satellites did Zenit-2M 56 launch?
2 payloads from this launch are catalogued, none of them still in orbit (Data from J. McDowell, planet4589.org).