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Soviet Space ProgramTsiklon-290/20, Baikonur Cosmodrome, Republic of Kazakhstan

I2P 7

Launched

April 4, 1971

Launch Successful

Image: Ukrainian Space Agency

Summary

I2P 7 launched on a Soviet Space Program Tsiklon-2 from 90/20, Baikonur Cosmodrome, Republic of Kazakhstan on April 4, 1971. It was Soviet Space Program's 559th launch, 18th this year and humanity's 1,202nd orbital launch attempt. It was the 9th Tsiklon-2 flight and the 3rd this year. The payload was bound for low Earth orbit (LEO). Kosmos-404, one of 4 catalogued objects, reached a 809 × 1,016 km orbit inclined 65.7°. 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
9th Tsiklon-2 flight · 3rd this yearSoviet Space Program's 559th launch18th this yearhumanity's 1,202nd orbital launch attempt31st orbital launch attempt this year

Flight preview

Orbit: as tracked

65.7°Inclination
809 × 1016 kmPerigee × apogeefrom mean elements
103.1 minPeriodfrom mean elements
82.2°Ascending node
20283 d agoElement epoch1971-04-04 17:36 UTC · stale

Kosmos-404 · NORAD 5113 · 1971-027 · Space-Track · tracking 1 of 4 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
1971-027A
Epoch
1971-04-04 17:36:01 UTC
Mean motion
13.96592712 rev/day
Eccentricity
0.0142259
Inclination
65.738°
Ascending node
82.1784°
Arg. of perigee
245.1581°
Mean anomaly
113.4597°
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

4 catalogued: 1 payload, 1 rocket stage, 2 debris; none still in orbit

  • Kosmos-404 · NORAD 5113 · deorbited April 4, 1971

Tsiklon-2 No. 14L Stage 2 · re-entered April 12, 1971

Data from J. McDowell, planet4589.org

About this launch

The I2P satellites were the first soviet coorbital ASAT system.

Pad

Map of 90/20

90/20, Baikonur Cosmodrome, Republic of Kazakhstan

8th launch from 90/20, 2nd this year · 319th from Baikonur Cosmodrome, Republic of Kazakhstan

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

38 days after the previous launch from this pad

Questions

When did I2P 7 launch?

I2P 7 launched on April 4, 1971. The time is known to the hour, not the minute.

Where can I watch I2P 7?

No webcast is on record for this launch.

What rocket launched I2P 7?

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

Where did I2P 7 launch from?

90/20, Baikonur Cosmodrome, Republic of Kazakhstan.

What orbit did I2P 7 reach?

Kosmos-404, one of 4 catalogued objects, reached a 809 × 1,016 km orbit inclined 65.7°.

How many satellites did I2P 7 launch?

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