Soviet Space ProgramSoyuz U43/3 (43L), Plesetsk Cosmodrome, Russian Federation
Zenit-4MKM 21
Launched
October 6, 1978
Summary
Zenit-4MKM 21 launched on a Soviet Space Program Soyuz U from 43/3 (43L), Plesetsk Cosmodrome, Russian Federation on October 6, 1978. It was Soviet Space Program's 1,248th launch, 66th this year and humanity's 2,140th orbital launch attempt. It was the 121st Soyuz U flight and the 35th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1042, one of 4 catalogued objects, reached a 184 × 321 km orbit inclined 62.8°. 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
- 121st Soyuz U flight · 35th this yearSoviet Space Program's 1,248th launch66th this yearhumanity's 2,140th orbital launch attempt95th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1042 · NORAD 11052 · 1978-092 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1978-092A
- Epoch
- 1978-10-06 18:12:47 UTC
- Mean motion
- 16.10511834 rev/day
- Eccentricity
- 0.0103194
- Inclination
- 62.7773°
- Ascending node
- 197.1734°
- Arg. of perigee
- 76.7555°
- Mean anomaly
- 289.8497°
- Element set
- 999
- Rev at epoch
- 2
- B*
- 0.000011712
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-1042 · NORAD 11052 · landed October 19, 1978
Soyuz-U 38-715 Blok-I · re-entered October 10, 1978
Data from J. McDowell, planet4589.org
About this launch
High-resolution film-return Zenit reconnaissance satellite
Pad

43/3 (43L), Plesetsk Cosmodrome, Russian Federation
87th launch from 43/3 (43L), 17th this year · 635th from Plesetsk Cosmodrome, Russian Federation
234 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
3 days 4 hours after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Zenit-4MKM 21 launch?
Zenit-4MKM 21 launched on October 6, 1978. The time is known to the hour, not the minute.
Where can I watch Zenit-4MKM 21?
No webcast is on record for this launch.
What rocket launched Zenit-4MKM 21?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-4MKM 21 launch from?
43/3 (43L), Plesetsk Cosmodrome, Russian Federation.
What orbit did Zenit-4MKM 21 reach?
Kosmos-1042, one of 4 catalogued objects, reached a 184 × 321 km orbit inclined 62.8°.
How many satellites did Zenit-4MKM 21 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)