Soviet Space ProgramTsiklon-290, Baikonur Cosmodrome, Republic of Kazakhstan
US-P 4
Launched
November 26, 1976
Image: Ukrainian Space Agency
Summary
US-P 4 launched on a Soviet Space Program Tsiklon-2 from 90, Baikonur Cosmodrome, Republic of Kazakhstan on November 26, 1976. It was Soviet Space Program's 1,067th launch, 88th this year and humanity's 1,900th orbital launch attempt. It was the 28th Tsiklon-2 flight and the 7th this year. The payload was bound for low Earth orbit (LEO). The tracked orbit of Kosmos-868, one of 2 catalogued objects, from November 29, 1976, was 435 × 450 km inclined 65.0°. 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
- 28th Tsiklon-2 flight · 7th this yearSoviet Space Program's 1,067th launch88th this yearhumanity's 1,900th orbital launch attempt117th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-868 · NORAD 9561 · 1976-113 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- COSMOS 868
- Object ID
- 1976-113A
- Epoch
- 1976-11-29 10:43:43 UTC
- Mean motion
- 15.43547821 rev/day
- Eccentricity
- 0.0010707
- Inclination
- 65.0404°
- Ascending node
- 308.6357°
- Arg. of perigee
- 287.1443°
- Mean anomaly
- 72.8478°
- Element set
- 999
- Rev at epoch
- 44
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- Kosmos-868 · NORAD 9561 · re-entered July 8, 1978
Tsiklon-2 12-102 Stage 2 · re-entered November 27, 1976
Data from J. McDowell, planet4589.org
About this launch
Ocean surveillance satellite using passive ELINT devices
Pad
90, Baikonur Cosmodrome, Republic of Kazakhstan
10th launch from 90, 7th this year · 473rd from Baikonur Cosmodrome, Republic of Kazakhstan
74 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
35 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did US-P 4 launch?
US-P 4 launched on November 26, 1976. The time is known to the hour, not the minute.
Where can I watch US-P 4?
No webcast is on record for this launch.
What rocket launched US-P 4?
Tsiklon-2, flown by Soviet Space Program. Tsiklon-2 spec sheet
Where did US-P 4 launch from?
90, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did US-P 4 reach?
The tracked orbit of Kosmos-868, one of 2 catalogued objects, from November 29, 1976, was 435 × 450 km inclined 65.0°.
How many satellites did US-P 4 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).