Soviet Space ProgramTsiklon-290, Baikonur Cosmodrome, Republic of Kazakhstan
IS-A 11
Launched
February 2, 1981
Image: Ukrainian Space Agency
Summary
IS-A 11 launched on a Soviet Space Program Tsiklon-2 from 90, Baikonur Cosmodrome, Republic of Kazakhstan on February 2, 1981. It was Soviet Space Program's 1,462nd launch, 11th this year and humanity's 2,402nd orbital launch attempt. It was the 44th Tsiklon-2 flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Kosmos-1243, one of 2 catalogued objects, reached a 303 × 1,022 km orbit inclined 65.8°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Tsiklon-2 · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 44th Tsiklon-2 flight · 1st this yearSoviet Space Program's 1,462nd launch11th this yearhumanity's 2,402nd orbital launch attempt11th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1243 · NORAD 12160 · 1981-010 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- COSMOS 1243
- Object ID
- 1981-010A
- Epoch
- 1981-02-02 03:40:21 UTC
- Mean motion
- 14.71803474 rev/day
- Eccentricity
- 0.0511348
- Inclination
- 65.8198°
- Ascending node
- 200.2189°
- Arg. of perigee
- 250.4593°
- Mean anomaly
- 104.0104°
- 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
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- Kosmos-1243 · NORAD 12160 · deorbited February 2, 1981
Tsiklon-2 28-201 Stage 2 · re-entered February 4, 1981
Data from J. McDowell, planet4589.org
About this launch
Second generation ASAT satellite
Pad
90, Baikonur Cosmodrome, Republic of Kazakhstan
26th launch from 90, 1st this year · 581st from Baikonur Cosmodrome, Republic of Kazakhstan
74 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
89 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did IS-A 11 launch?
IS-A 11 launched on February 2, 1981. The time is known to the hour, not the minute.
Where can I watch IS-A 11?
No webcast is on record for this launch.
What rocket launched IS-A 11?
Tsiklon-2, flown by Soviet Space Program. Tsiklon-2 spec sheet
Where did IS-A 11 launch from?
90, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did IS-A 11 reach?
Kosmos-1243, one of 2 catalogued objects, reached a 303 × 1,022 km orbit inclined 65.8°.
How many satellites did IS-A 11 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).