Soviet Space ProgramTsiklon-290/19, Baikonur Cosmodrome, Republic of Kazakhstan
US-A 6
Launched
December 27, 1973
Image: Ukrainian Space Agency
Summary
US-A 6 launched on a Soviet Space Program Tsiklon-2 from 90/19, Baikonur Cosmodrome, Republic of Kazakhstan on December 27, 1973. It was Soviet Space Program's 800th launch, 88th this year and humanity's 1,537th orbital launch attempt. It was the 14th Tsiklon-2 flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Kosmos-626, one of 5 catalogued objects, reached a 235 × 303 km orbit 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
- 14th Tsiklon-2 flight · 2nd this yearSoviet Space Program's 800th launch88th this yearhumanity's 1,537th orbital launch attempt115th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-626 · NORAD 7005 · 1973-108 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- COSMOS 626
- Object ID
- 1973-108A
- Epoch
- 1973-12-27 23:09:32 UTC
- Mean motion
- 16.0465107 rev/day
- Eccentricity
- 0.0050965
- Inclination
- 65.0117°
- Ascending node
- 75.6673°
- Arg. of perigee
- 156.1816°
- Mean anomaly
- 204.1679°
- 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
5 catalogued: 1 payload, 4 components; 1 still in orbit
- Kosmos-626 · NORAD 7005 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Active radar satellite for ocean surveillance powered by a nuclear reactor.
Pad

90/19, Baikonur Cosmodrome, Republic of Kazakhstan
12th launch from 90/19, 1st this year · 389th from Baikonur Cosmodrome, Republic of Kazakhstan
16 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
493 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did US-A 6 launch?
US-A 6 launched on December 27, 1973. The time is known to the hour, not the minute.
Where can I watch US-A 6?
No webcast is on record for this launch.
What rocket launched US-A 6?
Tsiklon-2, flown by Soviet Space Program. Tsiklon-2 spec sheet
Where did US-A 6 launch from?
90/19, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did US-A 6 reach?
Kosmos-626, one of 5 catalogued objects, reached a 235 × 303 km orbit inclined 65.0°.
How many satellites did US-A 6 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
