Soviet Space ProgramTsiklon-290, Baikonur Cosmodrome, Republic of Kazakhstan
US-P 25
Launched
August 4, 1986
Image: Ukrainian Space Agency
Summary
US-P 25 launched on a Soviet Space Program Tsiklon-2 from 90, Baikonur Cosmodrome, Republic of Kazakhstan on August 4, 1986. It was Soviet Space Program's 2,010th launch, 54th this year and humanity's 3,093rd orbital launch attempt. It was the 74th Tsiklon-2 flight and the 4th this year. The payload was bound for low Earth orbit (LEO). The tracked orbit of Kosmos-1769, one of 5 catalogued objects, from August 6, 1986, was 436 × 450 km inclined 65.0°. 5 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
- 74th Tsiklon-2 flight · 4th this yearSoviet Space Program's 2,010th launch54th this yearhumanity's 3,093rd orbital launch attempt64th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1769 · NORAD 16895 · 1986-059 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- COSMOS 1769
- Object ID
- 1986-059A
- Epoch
- 1986-08-06 23:48:18 UTC
- Mean motion
- 15.43492591 rev/day
- Eccentricity
- 0.0010251
- Inclination
- 65.0216°
- Ascending node
- 55.1591°
- Arg. of perigee
- 268.6911°
- Mean anomaly
- 91.6439°
- Element set
- 999
- Rev at epoch
- 43
- B*
- 0.0001148
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
5 catalogued: 1 payload, 1 rocket stage, 3 debris; none still in orbit
- Kosmos-1769 · NORAD 16895 · deorbited February 18, 1988
Tsiklon-2 99-805 Stage 2 · re-entered August 4, 1986
Data from J. McDowell, planet4589.org
About this launch
Ocean surveillance satellite using passive ELINT devices
Pad
90, Baikonur Cosmodrome, Republic of Kazakhstan
56th launch from 90, 4th this year · 785th from Baikonur Cosmodrome, Republic of Kazakhstan
74 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
131 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did US-P 25 launch?
US-P 25 launched on August 4, 1986. The time is known to the hour, not the minute.
Where can I watch US-P 25?
No webcast is on record for this launch.
What rocket launched US-P 25?
Tsiklon-2, flown by Soviet Space Program. Tsiklon-2 spec sheet
Where did US-P 25 launch from?
90, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did US-P 25 reach?
The tracked orbit of Kosmos-1769, one of 5 catalogued objects, from August 6, 1986, was 436 × 450 km inclined 65.0°.
How many satellites did US-P 25 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).