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Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Yantar-4KS1 7
Launched
April 16, 1987
Summary
Yantar-4KS1 7 launched on a Soviet Space Program Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on April 16, 1987. It was Soviet Space Program's 2,078th launch, 28th this year and humanity's 3,174th orbital launch attempt. It was the 467th Soyuz U flight and the 8th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1836, one of 5 catalogued objects, reached a 187 × 288 km orbit inclined 64.8°. 5 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
- 467th Soyuz U flight · 8th this yearSoviet Space Program's 2,078th launch28th this yearhumanity's 3,174th orbital launch attempt35th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1836 · NORAD 17876 · 1987-033 · Space-Track · tracking 1 of 5 objects
Show the numbers for orbit elements
- Object
- COSMOS 1836
- Object ID
- 1987-033A
- Epoch
- 1987-04-16 06:11:09 UTC
- Mean motion
- 16.15924957 rev/day
- Eccentricity
- 0.0076664
- Inclination
- 64.8169°
- Ascending node
- 334.2869°
- Arg. of perigee
- 67.0676°
- Mean anomaly
- 293.8565°
- 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
5 catalogued: 1 payload, 1 rocket stage, 3 components; none still in orbit
- Kosmos-1836 · NORAD 17876 · deorbited December 2, 1987
Soyuz-U 11-209 Blok-I · re-entered April 20, 1987
Data from J. McDowell, planet4589.org
About this launch
First generation electro-optical reconnaissance satellite
Pad
1/5, Baikonur Cosmodrome, Republic of Kazakhstan
237th launch from 1/5, 5th this year · 813th from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
6 days 18 hours after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Yantar-4KS1 7 launch?
Yantar-4KS1 7 launched on April 16, 1987. The time is known to the hour, not the minute.
Where can I watch Yantar-4KS1 7?
No webcast is on record for this launch.
What rocket launched Yantar-4KS1 7?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4KS1 7 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Yantar-4KS1 7 reach?
Kosmos-1836, one of 5 catalogued objects, reached a 187 × 288 km orbit inclined 64.8°.
How many satellites did Yantar-4KS1 7 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).