Soviet Space ProgramSoyuz U43/4 (43R), Plesetsk Cosmodrome, Russian Federation
Zenit-4MKM 1
Launched
July 12, 1977
Summary
Zenit-4MKM 1 launched on a Soviet Space Program Soyuz U from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on July 12, 1977. It was Soviet Space Program's 1,130th launch, 50th this year and humanity's 1,979th orbital launch attempt. It was the 67th Soyuz U flight and the 20th this year. The payload was bound for low Earth orbit (LEO). Kosmos-927, one of 4 catalogued objects, reached a 174 × 382 km orbit inclined 72.8°. 4 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Soyuz U · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 67th Soyuz U flight · 20th this yearSoviet Space Program's 1,130th launch50th this yearhumanity's 1,979th orbital launch attempt64th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-927 · NORAD 10139 · 1977-063 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1977-063A
- Epoch
- 1977-07-12 10:17:01 UTC
- Mean motion
- 16.01144218 rev/day
- Eccentricity
- 0.0156403
- Inclination
- 72.8481°
- Ascending node
- 69.8344°
- Arg. of perigee
- 86.58°
- Mean anomaly
- 270.7943°
- 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
4 catalogued: 1 payload, 1 rocket stage, 2 components; none still in orbit
- Kosmos-927 · NORAD 10139 · landed July 25, 1977
Soyuz-U 42-692 Blok-I · re-entered July 18, 1977
Data from J. McDowell, planet4589.org
About this launch
High-resolution film-return Zenit reconnaissance satellite
Pad

43/4 (43R), Plesetsk Cosmodrome, Russian Federation
104th launch from 43/4 (43R), 12th this year · 559th from Plesetsk Cosmodrome, Russian Federation
329 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
5 days 1 hour after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Zenit-4MKM 1 launch?
Zenit-4MKM 1 launched on July 12, 1977. The time is known to the hour, not the minute.
Where can I watch Zenit-4MKM 1?
No webcast is on record for this launch.
What rocket launched Zenit-4MKM 1?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-4MKM 1 launch from?
43/4 (43R), Plesetsk Cosmodrome, Russian Federation.
What orbit did Zenit-4MKM 1 reach?
Kosmos-927, one of 4 catalogued objects, reached a 174 × 382 km orbit inclined 72.8°.
How many satellites did Zenit-4MKM 1 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Soyuz U - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz2520u_image_20190222031023.jpeg&w=1600)