Soviet Space ProgramTsiklon-290, Baikonur Cosmodrome, Republic of Kazakhstan
IS-A 4
Launched
December 27, 1976
Image: Ukrainian Space Agency
Summary
IS-A 4 launched on a Soviet Space Program Tsiklon-2 from 90, Baikonur Cosmodrome, Republic of Kazakhstan on December 27, 1976. It was Soviet Space Program's 1,078th launch, 99th this year and humanity's 1,913th orbital launch attempt. It was the 29th Tsiklon-2 flight and the 8th this year. The payload was bound for low Earth orbit (LEO). The tracked orbit of Kosmos-886, one of 77 catalogued objects, from January 7, 1977, was 602 × 2,317 km inclined 65.8°. 77 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
- 29th Tsiklon-2 flight · 8th this yearSoviet Space Program's 1,078th launch99th this yearhumanity's 1,913th orbital launch attempt130th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-886 · NORAD 9634 · 1976-126 · Space-Track · tracking 1 of 77 objects
Show the numbers for orbit elements
- Object
- COSMOS 886
- Object ID
- 1976-126A
- Epoch
- 1977-01-07 17:36:06 UTC
- Mean motion
- 12.5281744 rev/day
- Eccentricity
- 0.1094892
- Inclination
- 65.8335°
- Ascending node
- 284.2764°
- Arg. of perigee
- 52.591°
- Mean anomaly
- 316.9731°
- Element set
- 999
- Rev at epoch
- 154
- B*
- 0.000007081
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
77 catalogued: 1 payload, 1 rocket stage, 75 debris; 49 still in orbit
- Kosmos-886 · NORAD 9634 · broke up December 27, 1976
Tsiklon-2 23-301T Stage 2 · re-entered December 30, 1976
Data from J. McDowell, planet4589.org
About this launch
Second generation ASAT satellite
Pad

90, Baikonur Cosmodrome, Republic of Kazakhstan
11th launch from 90, 8th this year · 477th from Baikonur Cosmodrome, Republic of Kazakhstan
74 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
30 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did IS-A 4 launch?
IS-A 4 launched on December 27, 1976. The time is known to the hour, not the minute.
Where can I watch IS-A 4?
No webcast is on record for this launch.
What rocket launched IS-A 4?
Tsiklon-2, flown by Soviet Space Program. Tsiklon-2 spec sheet
Where did IS-A 4 launch from?
90, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did IS-A 4 reach?
The tracked orbit of Kosmos-886, one of 77 catalogued objects, from January 7, 1977, was 602 × 2,317 km inclined 65.8°.
How many satellites did IS-A 4 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
