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

US-P 2

Launched

October 29, 1975

Launch Successful

Image: Ukrainian Space Agency

Summary

US-P 2 launched on a Soviet Space Program Tsiklon-2 from 90, Baikonur Cosmodrome, Republic of Kazakhstan on October 29, 1975. It was Soviet Space Program's 961st launch, 75th this year and humanity's 1,758th orbital launch attempt. It was the 20th Tsiklon-2 flight and the 3rd this year. The payload was bound for low Earth orbit (LEO). Kosmos-777, one of 63 catalogued objects, reached a 435 × 452 km orbit inclined 65.0°. 63 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
20th Tsiklon-2 flight · 3rd this yearSoviet Space Program's 961st launch75th this yearhumanity's 1,758th orbital launch attempt107th orbital launch attempt this year

Flight preview

Orbit: as tracked

65.0°Inclination
435 × 452 kmPerigee × apogeefrom mean elements
93.3 minPeriodfrom mean elements
236.3°Ascending node
18614 d agoElement epoch1975-10-29 17:01 UTC · stale

Kosmos-777 · NORAD 8416 · 1975-102 · Space-Track · tracking 1 of 63 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
1975-102A
Epoch
1975-10-29 17:01:06 UTC
Mean motion
15.43239235 rev/day
Eccentricity
0.0012313
Inclination
65.0138°
Ascending node
236.2515°
Arg. of perigee
263.8787°
Mean anomaly
96.0902°
Element set
999
Rev at epoch
4
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

63 catalogued: 1 payload, 1 rocket stage, 59 debris, 2 components; none still in orbit

  • Kosmos-777 · NORAD 8416 · broke up January 25, 1976

Tsiklon-2 14-420 Stage 2 · re-entered October 30, 1975

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

2nd launch from 90, 1st this year · 437th from Baikonur Cosmodrome, Republic of Kazakhstan

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

about 3 years after the previous launch from this pad

Questions

When did US-P 2 launch?

US-P 2 launched on October 29, 1975. The time is known to the hour, not the minute.

Where can I watch US-P 2?

No webcast is on record for this launch.

What rocket launched US-P 2?

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

Where did US-P 2 launch from?

90, Baikonur Cosmodrome, Republic of Kazakhstan.

What orbit did US-P 2 reach?

Kosmos-777, one of 63 catalogued objects, reached a 435 × 452 km orbit inclined 65.0°.

How many satellites did US-P 2 launch?

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