Soviet Space ProgramSoyuz U43/4 (43R), Plesetsk Cosmodrome, Russian Federation
Bion 2
Launched
October 22, 1974
Summary
Bion 2 launched on a Soviet Space Program Soyuz U from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on October 22, 1974. It was Soviet Space Program's 866th launch, 65th this year and humanity's 1,624th orbital launch attempt. It was the 10th Soyuz U flight and the 7th this year. The payload was bound for low Earth orbit (LEO). Kosmos-690, one of 8 catalogued objects, reached a 223 × 370 km orbit inclined 62.8°. 8 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Soyuz U · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Biology · Low Earth Orbit (LEO)
- Milestone
- 10th Soyuz U flight · 7th this yearSoviet Space Program's 866th launch65th this yearhumanity's 1,624th orbital launch attempt86th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-690 · NORAD 7478 · 1974-080 · Space-Track · tracking 1 of 8 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1974-080A
- Epoch
- 1974-10-22 19:12:42 UTC
- Mean motion
- 15.94589299 rev/day
- Eccentricity
- 0.0110316
- Inclination
- 62.8086°
- Ascending node
- 250.7195°
- Arg. of perigee
- 111.3733°
- Mean anomaly
- 249.9177°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0.00078059
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
8 catalogued: 1 payload, 1 rocket stage, 6 components; none still in orbit
- Kosmos-690 · NORAD 7478 · landed November 12, 1974
Soyuz-U No. 010 Blok-I · re-entered November 10, 1974
Data from J. McDowell, planet4589.org
About this launch
Biological research satellite carrying live organisms
Pad

43/4 (43R), Plesetsk Cosmodrome, Russian Federation
74th launch from 43/4 (43R), 19th this year · 381st from Plesetsk Cosmodrome, Russian Federation
329 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
67 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Bion 2 launch?
Bion 2 launched on October 22, 1974. The time is known to the hour, not the minute.
Where can I watch Bion 2?
No webcast is on record for this launch.
What rocket launched Bion 2?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Bion 2 launch from?
43/4 (43R), Plesetsk Cosmodrome, Russian Federation.
What orbit did Bion 2 reach?
Kosmos-690, one of 8 catalogued objects, reached a 223 × 370 km orbit inclined 62.8°.
How many satellites did Bion 2 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Soyuz U - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz2520u_image_20190222031023.jpeg&w=1600)