Soviet Space ProgramTsiklon-290, Baikonur Cosmodrome, Republic of Kazakhstan
US-P 31
Launched
September 27, 1989
Image: Ukrainian Space Agency
Summary
US-P 31 launched on a Soviet Space Program Tsiklon-2 from 90, Baikonur Cosmodrome, Republic of Kazakhstan on September 27, 1989. It was Soviet Space Program's 2,300th launch, 59th this year and humanity's 3,454th orbital launch attempt. It was the 86th Tsiklon-2 flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Kosmos-2046, one of 2 catalogued objects, reached a 413 × 424 km orbit 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
- 86th Tsiklon-2 flight · 2nd this yearSoviet Space Program's 2,300th launch59th this yearhumanity's 3,454th orbital launch attempt80th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-2046 · NORAD 20259 · 1989-079 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1989-079A
- Epoch
- 1989-09-27 17:40:53 UTC
- Mean motion
- 15.5187265 rev/day
- Eccentricity
- 0.0008292
- Inclination
- 65.0336°
- Ascending node
- 286.2078°
- Arg. of perigee
- 281.5328°
- Mean anomaly
- 78.4853°
- 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
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- Kosmos-2046 · NORAD 20259 · re-entered April 16, 1991
Tsiklon-2 32-307 Stage 2 · re-entered September 28, 1989
Data from J. McDowell, planet4589.org
About this launch
Ocean surveillance satellite using passive ELINT devices
Pad
90, Baikonur Cosmodrome, Republic of Kazakhstan
68th launch from 90, 2nd this year · 915th from Baikonur Cosmodrome, Republic of Kazakhstan
74 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
65 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did US-P 31 launch?
US-P 31 launched on September 27, 1989. The time is known to the hour, not the minute.
Where can I watch US-P 31?
No webcast is on record for this launch.
What rocket launched US-P 31?
Tsiklon-2, flown by Soviet Space Program. Tsiklon-2 spec sheet
Where did US-P 31 launch from?
90, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did US-P 31 reach?
Kosmos-2046, one of 2 catalogued objects, reached a 413 × 424 km orbit inclined 65.0°.
How many satellites did US-P 31 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).