Soviet Space ProgramTsiklon-290/19, Baikonur Cosmodrome, Republic of Kazakhstan
US-A 2
Launched
April 1, 1971
Image: Ukrainian Space Agency
Summary
US-A 2 launched on a Soviet Space Program Tsiklon-2 from 90/19, Baikonur Cosmodrome, Republic of Kazakhstan on April 1, 1971. It was Soviet Space Program's 557th launch, 16th this year and humanity's 1,200th orbital launch attempt. It was the 8th Tsiklon-2 flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Kosmos-402, one of 4 catalogued objects, reached a 957 × 1,041 km orbit inclined 65.0°. 4 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
- 8th Tsiklon-2 flight · 2nd this yearSoviet Space Program's 557th launch16th this yearhumanity's 1,200th orbital launch attempt29th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-402 · NORAD 5105 · 1971-025 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- COSMOS 402
- Object ID
- 1971-025A
- Epoch
- 1971-04-01 19:26:52 UTC
- Mean motion
- 13.72123528 rev/day
- Eccentricity
- 0.0057169
- Inclination
- 64.9836°
- Ascending node
- 35.6165°
- Arg. of perigee
- 259.3834°
- Mean anomaly
- 100.073°
- Element set
- 999
- Rev at epoch
- 5
- 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
4 catalogued: 1 payload, 3 components; 1 still in orbit
- Kosmos-402 · NORAD 5105 · 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
9th launch from 90/19, 1st this year · 318th from Baikonur Cosmodrome, Republic of Kazakhstan
16 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
163 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did US-A 2 launch?
US-A 2 launched on April 1, 1971. The time is known to the hour, not the minute.
Where can I watch US-A 2?
No webcast is on record for this launch.
What rocket launched US-A 2?
Tsiklon-2, flown by Soviet Space Program. Tsiklon-2 spec sheet
Where did US-A 2 launch from?
90/19, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did US-A 2 reach?
Kosmos-402, one of 4 catalogued objects, reached a 957 × 1,041 km orbit inclined 65.0°.
How many satellites did US-A 2 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).