Soviet Space ProgramTsiklon-290, Baikonur Cosmodrome, Republic of Kazakhstan
US-A 11
Launched
December 12, 1975
Image: Ukrainian Space Agency
Summary
US-A 11 launched on a Soviet Space Program Tsiklon-2 from 90, Baikonur Cosmodrome, Republic of Kazakhstan on December 12, 1975. It was Soviet Space Program's 972nd launch, 86th this year and humanity's 1,773rd orbital launch attempt. It was the 21st Tsiklon-2 flight and the 4th this year. The payload was bound for low Earth orbit (LEO). Kosmos-785, one of 3 catalogued objects, reached a 257 × 267 km orbit inclined 65.0°. 3 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
- 21st Tsiklon-2 flight · 4th this yearSoviet Space Program's 972nd launch86th this yearhumanity's 1,773rd orbital launch attempt122nd orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-785 · NORAD 8473 · 1975-116 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- COSMOS 785
- Object ID
- 1975-116A
- Epoch
- 1975-12-12 15:34:29 UTC
- Mean motion
- 16.07067745 rev/day
- Eccentricity
- 0.0007374
- Inclination
- 64.9646°
- Ascending node
- 306.3587°
- Arg. of perigee
- 330.6608°
- Mean anomaly
- 29.4098°
- Element set
- 999
- Rev at epoch
- 2
- 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
3 catalogued: 1 payload, 2 components; 1 still in orbit
- Kosmos-785 · NORAD 8473 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Active radar satellite for ocean surveillance powered by a nuclear reactor.
Pad
90, Baikonur Cosmodrome, Republic of Kazakhstan
3rd launch from 90, 2nd this year · 440th from Baikonur Cosmodrome, Republic of Kazakhstan
74 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
44 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did US-A 11 launch?
US-A 11 launched on December 12, 1975. The time is known to the hour, not the minute.
Where can I watch US-A 11?
No webcast is on record for this launch.
What rocket launched US-A 11?
Tsiklon-2, flown by Soviet Space Program. Tsiklon-2 spec sheet
Where did US-A 11 launch from?
90, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did US-A 11 reach?
Kosmos-785, one of 3 catalogued objects, reached a 257 × 267 km orbit inclined 65.0°.
How many satellites did US-A 11 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).