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Soviet Space ProgramSoyuz U43/3 (43L), Plesetsk Cosmodrome, Russian Federation
Zenit-4MKT 18
Launched
June 16, 1981
Summary
Zenit-4MKT 18 launched on a Soviet Space Program Soyuz U from 43/3 (43L), Plesetsk Cosmodrome, Russian Federation on June 16, 1981. It was Soviet Space Program's 1,497th launch, 46th this year and humanity's 2,448th orbital launch attempt. It was the 244th Soyuz U flight and the 21st this year. The payload was bound for low Earth orbit (LEO). Kosmos-1276, one of 6 catalogued objects, reached a 221 × 244 km orbit inclined 82.4°. 6 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
- 244th Soyuz U flight · 21st this yearSoviet Space Program's 1,497th launch46th this yearhumanity's 2,448th orbital launch attempt57th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1276 · NORAD 12517 · 1981-055 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1981-055A
- Epoch
- 1981-06-16 06:49:13 UTC
- Mean motion
- 16.17796566 rev/day
- Eccentricity
- 0.0017236
- Inclination
- 82.3608°
- Ascending node
- 35.9927°
- Arg. of perigee
- 88.4556°
- Mean anomaly
- 271.8705°
- Element set
- 999
- Rev at epoch
- 0
- 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
6 catalogued: 1 payload, 1 rocket stage, 4 components; none still in orbit
- Kosmos-1276 · NORAD 12517 · landed June 29, 1981
Soyuz-U 39-078 Blok-I · re-entered June 19, 1981
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad
43/3 (43L), Plesetsk Cosmodrome, Russian Federation
131st launch from 43/3 (43L), 7th this year · 814th from Plesetsk Cosmodrome, Russian Federation
234 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
28 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Zenit-4MKT 18 launch?
Zenit-4MKT 18 launched on June 16, 1981. The time is known to the hour, not the minute.
Where can I watch Zenit-4MKT 18?
No webcast is on record for this launch.
What rocket launched Zenit-4MKT 18?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-4MKT 18 launch from?
43/3 (43L), Plesetsk Cosmodrome, Russian Federation.
What orbit did Zenit-4MKT 18 reach?
Kosmos-1276, one of 6 catalogued objects, reached a 221 × 244 km orbit inclined 82.4°.
How many satellites did Zenit-4MKT 18 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).