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Soviet Space ProgramProton K/DM-2200/40, Baikonur Cosmodrome, Republic of Kazakhstan
US-KS 4
Launched
October 28, 1987
Summary
US-KS 4 launched on a Soviet Space Program Proton K/DM-2 from 200/40, Baikonur Cosmodrome, Republic of Kazakhstan on October 28, 1987. It was Soviet Space Program's 2,130th launch, 80th this year and humanity's 3,234th orbital launch attempt. It was the 16th Proton K/DM-2 flight and the 5th this year. The payload was bound for Geostationary Orbit (Direct-GEO). Kosmos-1894, one of 6 catalogued objects, reached a 35,842 × 35,967 km orbit inclined 1.3°. 6 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Proton K/DM-2 · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Orbit (Direct-GEO)
- Milestone
- 16th Proton K/DM-2 flight · 5th this yearSoviet Space Program's 2,130th launch80th this yearhumanity's 3,234th orbital launch attempt95th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1894 · NORAD 18443 · 1987-091 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- COSMOS 1894
- Object ID
- 1987-091A
- Epoch
- 1987-10-29 10:05:19 UTC
- Mean motion
- 0.99878011 rev/day
- Eccentricity
- 0.0014892
- Inclination
- 1.278°
- Ascending node
- 278.5691°
- Arg. of perigee
- 78.8464°
- Mean anomaly
- 279.9638°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0.000099999
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: Direct-GEO.
Catalogued objects
6 catalogued: 1 payload, 2 rocket stages, 3 components; 2 still in orbit
- Kosmos-1894 · NORAD 18443 · in orbit
Proton-K 325-01 Stage 3 · re-entered October 31, 1987
Blok DM-2 No. 28L · in orbit
Data from J. McDowell, planet4589.org
About this launch
Geostationary early warning satellite
Pad
200/40, Baikonur Cosmodrome, Republic of Kazakhstan
49th launch from 200/40, 6th this year · 837th from Baikonur Cosmodrome, Republic of Kazakhstan
64 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
42 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did US-KS 4 launch?
US-KS 4 launched on October 28, 1987. The time is known to the hour, not the minute.
Where can I watch US-KS 4?
No webcast is on record for this launch.
What rocket launched US-KS 4?
Proton K/DM-2, flown by Soviet Space Program. Proton K/DM-2 spec sheet
Where did US-KS 4 launch from?
200/40, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did US-KS 4 reach?
Kosmos-1894, one of 6 catalogued objects, reached a 35,842 × 35,967 km orbit inclined 1.3°.
How many satellites did US-KS 4 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).