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Soviet Space ProgramTsiklon-290/19, Baikonur Cosmodrome, Republic of Kazakhstan

I2M 3

Launched

October 20, 1970

Launch Successful

Image: Ukrainian Space Agency

Summary

I2M 3 launched on a Soviet Space Program Tsiklon-2 from 90/19, Baikonur Cosmodrome, Republic of Kazakhstan on October 20, 1970. It was Soviet Space Program's 520th launch, 67th this year and humanity's 1,142nd orbital launch attempt. It was the 4th Tsiklon-2 flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). The tracked orbit of Kosmos-373, one of 2 catalogued objects, from November 1, 1970, was 466 × 569 km inclined 62.9°. 2 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
Test Target · Low Earth Orbit (LEO)
Milestone
4th Tsiklon-2 flight · 2nd this yearSoviet Space Program's 520th launch67th this yearhumanity's 1,142nd orbital launch attempt96th orbital launch attempt this year

Flight preview

Orbit: as tracked

62.9°Inclination
466 × 569 kmPerigee × apogeefrom mean elements
94.8 minPeriodfrom mean elements
96.4°Ascending node
20437 d agoElement epoch1970-11-01 19:21 UTC · stale

Kosmos-373 · NORAD 4590 · 1970-087 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
COSMOS 373
Object ID
1970-087A
Epoch
1970-11-01 19:21:17 UTC
Mean motion
15.18428326 rev/day
Eccentricity
0.007455
Inclination
62.92°
Ascending node
96.3846°
Arg. of perigee
317.7039°
Mean anomaly
41.8286°
Element set
999
Rev at epoch
191
B*
0

Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.

Catalogued objects

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

  • Kosmos-373 · NORAD 4590 · re-entered March 8, 1980

Tsiklon-2 No. 06L Stage 2 · re-entered January 18, 1971

Data from J. McDowell, planet4589.org

About this launch

The I2M satellites were maneuverable target satellites for the I2P coorbital ASAT satellites.

Pad

Map of 90/19

90/19, Baikonur Cosmodrome, Republic of Kazakhstan

8th launch from 90/19, 2nd this year · 303rd from Baikonur Cosmodrome, Republic of Kazakhstan

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

16 days after the previous launch from this pad

Questions

When did I2M 3 launch?

I2M 3 launched on October 20, 1970. The time is known to the hour, not the minute.

Where can I watch I2M 3?

No webcast is on record for this launch.

What rocket launched I2M 3?

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

Where did I2M 3 launch from?

90/19, Baikonur Cosmodrome, Republic of Kazakhstan.

What orbit did I2M 3 reach?

The tracked orbit of Kosmos-373, one of 2 catalogued objects, from November 1, 1970, was 466 × 569 km inclined 62.9°.

How many satellites did I2M 3 launch?

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