Soviet Space ProgramSoyuz U43/3 (43L), Plesetsk Cosmodrome, Russian Federation
Zenit-8 46
Launched
April 22, 1987
Summary
Zenit-8 46 launched on a Soviet Space Program Soyuz U from 43/3 (43L), Plesetsk Cosmodrome, Russian Federation on April 22, 1987. It was Soviet Space Program's 2,080th launch, 30th this year and humanity's 3,176th orbital launch attempt. It was the 468th Soyuz U flight and the 9th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1837, one of 7 catalogued objects, reached a 189 × 228 km orbit inclined 82.3°. 7 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
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 468th Soyuz U flight · 9th this yearSoviet Space Program's 2,080th launch30th this yearhumanity's 3,176th orbital launch attempt37th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1837 · NORAD 17880 · 1987-035 · Space-Track · tracking 1 of 7 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1987-035A
- Epoch
- 1987-04-22 08:59:20 UTC
- Mean motion
- 16.26652037 rev/day
- Eccentricity
- 0.0029266
- Inclination
- 82.2697°
- Ascending node
- 13.9284°
- Arg. of perigee
- 103.8801°
- Mean anomaly
- 256.5749°
- Element set
- 999
- Rev at epoch
- 0
- 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
7 catalogued: 1 payload, 1 rocket stage, 5 components; none still in orbit
- Kosmos-1837 · NORAD 17880 · landed April 28, 1987
Soyuz-U 28-356 Blok-I · re-entered April 24, 1987
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad

43/3 (43L), Plesetsk Cosmodrome, Russian Federation
153rd launch from 43/3 (43L), 2nd this year · 1,166th from Plesetsk Cosmodrome, Russian Federation
234 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
96 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Zenit-8 46 launch?
Zenit-8 46 launched on April 22, 1987. The time is known to the hour, not the minute.
Where can I watch Zenit-8 46?
No webcast is on record for this launch.
What rocket launched Zenit-8 46?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-8 46 launch from?
43/3 (43L), Plesetsk Cosmodrome, Russian Federation.
What orbit did Zenit-8 46 reach?
Kosmos-1837, one of 7 catalogued objects, reached a 189 × 228 km orbit inclined 82.3°.
How many satellites did Zenit-8 46 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)