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Soviet Space ProgramTsiklon-290, Baikonur Cosmodrome, Republic of Kazakhstan

US-P 27

Launched

October 10, 1987

Launch Successful

Image: Ukrainian Space Agency

Summary

US-P 27 launched on a Soviet Space Program Tsiklon-2 from 90, Baikonur Cosmodrome, Republic of Kazakhstan on October 10, 1987. It was Soviet Space Program's 2,126th launch, 76th this year and humanity's 3,229th orbital launch attempt. It was the 80th Tsiklon-2 flight and the 5th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1890, one of 2 catalogued objects, reached a 409 × 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
80th Tsiklon-2 flight · 5th this yearSoviet Space Program's 2,126th launch76th this yearhumanity's 3,229th orbital launch attempt90th orbital launch attempt this year

Flight preview

Orbit: as tracked

65.0°Inclination
409 × 424 kmPerigee × apogeefrom mean elements
92.8 minPeriodfrom mean elements
20.0°Ascending node
14250 d agoElement epoch1987-10-11 05:20 UTC · stale

Kosmos-1890 · NORAD 18396 · 1987-086 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
COSMOS 1890
Object ID
1987-086A
Epoch
1987-10-11 05:20:58 UTC
Mean motion
15.52541615 rev/day
Eccentricity
0.0011664
Inclination
65.0121°
Ascending node
19.9528°
Arg. of perigee
259.8608°
Mean anomaly
100.9882°
Element set
999
Rev at epoch
4
B*
0.05136

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-1890 · NORAD 18396 · re-entered December 26, 1988

Tsiklon-2 29-814 Stage 2 · re-entered October 11, 1987

Data from J. McDowell, planet4589.org

About this launch

Ocean surveillance satellite using passive ELINT devices

Pad

Map of 90

90, Baikonur Cosmodrome, Republic of Kazakhstan

62nd launch from 90, 5th this year · 836th from Baikonur Cosmodrome, Republic of Kazakhstan

74 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan

92 days after the previous launch from this pad

Questions

When did US-P 27 launch?

US-P 27 launched on October 10, 1987. The time is known to the hour, not the minute.

Where can I watch US-P 27?

No webcast is on record for this launch.

What rocket launched US-P 27?

Tsiklon-2, flown by Soviet Space Program. Tsiklon-2 spec sheet

Where did US-P 27 launch from?

90, Baikonur Cosmodrome, Republic of Kazakhstan.

What orbit did US-P 27 reach?

Kosmos-1890, one of 2 catalogued objects, reached a 409 × 424 km orbit inclined 65.0°.

How many satellites did US-P 27 launch?

1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).