Soviet Space ProgramSoyuz U43/4 (43R), Plesetsk Cosmodrome, Russian Federation
Resurs-F1 17F40 104L 4
Launched
May 21, 1987
Summary
Resurs-F1 17F40 104L 4 launched on a Soviet Space Program Soyuz U from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on May 21, 1987. It was Soviet Space Program's 2,090th launch, 40th this year and humanity's 3,187th orbital launch attempt. It was the 472nd Soyuz U flight and the 13th this year. The payload was bound for Sun-Synchronous Orbit (SSO). Kosmos-1846, one of 11 catalogued objects, reached a 188 × 279 km orbit inclined 82.4°. 11 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
- Earth Science · Sun-Synchronous Orbit (SSO)
- Milestone
- 472nd Soyuz U flight · 13th this yearSoviet Space Program's 2,090th launch40th this yearhumanity's 3,187th orbital launch attempt48th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1846 · NORAD 18004 · 1987-045 · Space-Track · tracking 1 of 11 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1987-045A
- Epoch
- 1987-05-21 09:03:27 UTC
- Mean motion
- 16.17486935 rev/day
- Eccentricity
- 0.0068395
- Inclination
- 82.356°
- Ascending node
- 21.1209°
- Arg. of perigee
- 88.4017°
- Mean anomaly
- 272.5103°
- 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: SSO. Ascent drawn from padside's representative profile.
Catalogued objects
11 catalogued: 1 payload, 1 rocket stage, 9 components; none still in orbit
- Kosmos-1846 · NORAD 18004 · landed June 4, 1987
Soyuz-U 15-104 Blok-I · re-entered May 26, 1987
Data from J. McDowell, planet4589.org
About this launch
Film-return Earth observation satellite
Pad

43/4 (43R), Plesetsk Cosmodrome, Russian Federation
202nd launch from 43/4 (43R), 2nd this year · 1,169th from Plesetsk Cosmodrome, Russian Federation
329 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
102 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Resurs-F1 17F40 104L 4 launch?
Resurs-F1 17F40 104L 4 launched on May 21, 1987. The time is known to the hour, not the minute.
Where can I watch Resurs-F1 17F40 104L 4?
No webcast is on record for this launch.
What rocket launched Resurs-F1 17F40 104L 4?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Resurs-F1 17F40 104L 4 launch from?
43/4 (43R), Plesetsk Cosmodrome, Russian Federation.
What orbit did Resurs-F1 17F40 104L 4 reach?
Kosmos-1846, one of 11 catalogued objects, reached a 188 × 279 km orbit inclined 82.4°.
How many satellites did Resurs-F1 17F40 104L 4 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)