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Soviet Space ProgramSoyuz U31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Yantar-2K 18
Launched
May 18, 1981
Summary
Yantar-2K 18 launched on a Soviet Space Program Soyuz U from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on May 18, 1981. It was Soviet Space Program's 1,490th launch, 39th this year and humanity's 2,438th orbital launch attempt. It was the 240th Soyuz U flight and the 17th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1270, one of 3 catalogued objects, reached a 180 × 355 km orbit inclined 64.9°. 3 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
- 240th Soyuz U flight · 17th this yearSoviet Space Program's 1,490th launch39th this yearhumanity's 2,438th orbital launch attempt47th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1270 · NORAD 12461 · 1981-045 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1981-045A
- Epoch
- 1981-05-18 14:41:37 UTC
- Mean motion
- 16.05209855 rev/day
- Eccentricity
- 0.0131802
- Inclination
- 64.8576°
- Ascending node
- 89.0031°
- Arg. of perigee
- 64.0747°
- Mean anomaly
- 297.3936°
- 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
3 catalogued: 1 payload, 1 rocket stage, 1 component; none still in orbit
- Kosmos-1270 · NORAD 12461 · landed June 17, 1981
Soyuz-U 53-485 Blok-I · re-entered May 21, 1981
Data from J. McDowell, planet4589.org
About this launch
High-resolution film-return Yantar reconnaissance satellite
Pad
31/6, Baikonur Cosmodrome, Republic of Kazakhstan
229th launch from 31/6, 7th this year · 596th from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
20 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Yantar-2K 18 launch?
Yantar-2K 18 launched on May 18, 1981. The time is known to the hour, not the minute.
Where can I watch Yantar-2K 18?
No webcast is on record for this launch.
What rocket launched Yantar-2K 18?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-2K 18 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Yantar-2K 18 reach?
Kosmos-1270, one of 3 catalogued objects, reached a 180 × 355 km orbit inclined 64.9°.
How many satellites did Yantar-2K 18 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).