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Soviet Space ProgramSoyuz U16/2, Plesetsk Cosmodrome, Russian Federation
Yantar-4K2 5
Launched
February 28, 1984
Summary
Yantar-4K2 5 launched on a Soviet Space Program Soyuz U from 16/2, Plesetsk Cosmodrome, Russian Federation on February 28, 1984. It was Soviet Space Program's 1,773rd launch, 14th this year and humanity's 2,795th orbital launch attempt. It was the 357th Soyuz U flight and the 6th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1539, one of 3 catalogued objects, reached a 175 × 349 km orbit inclined 67.1°. 3 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
- 357th Soyuz U flight · 6th this yearSoviet Space Program's 1,773rd launch14th this yearhumanity's 2,795th orbital launch attempt20th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1539 · NORAD 14763 · 1984-020 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1984-020A
- Epoch
- 1984-02-28 16:45:48 UTC
- Mean motion
- 16.07010098 rev/day
- Eccentricity
- 0.0131296
- Inclination
- 67.1498°
- Ascending node
- 353.9264°
- Arg. of perigee
- 95.5902°
- Mean anomaly
- 265.9707°
- Element set
- 999
- Rev at epoch
- 2
- 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
3 catalogued: 1 payload, 1 rocket stage, 1 component; none still in orbit
- Kosmos-1539 · NORAD 14763 · landed April 9, 1984
Soyuz-U 12-789 Blok-I · re-entered March 3, 1984
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad
16/2, Plesetsk Cosmodrome, Russian Federation
24th launch from 16/2, 1st this year · 979th from Plesetsk Cosmodrome, Russian Federation
136 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
62 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Yantar-4K2 5 launch?
Yantar-4K2 5 launched on February 28, 1984. The time is known to the hour, not the minute.
Where can I watch Yantar-4K2 5?
No webcast is on record for this launch.
What rocket launched Yantar-4K2 5?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4K2 5 launch from?
16/2, Plesetsk Cosmodrome, Russian Federation.
What orbit did Yantar-4K2 5 reach?
Kosmos-1539, one of 3 catalogued objects, reached a 175 × 349 km orbit inclined 67.1°.
How many satellites did Yantar-4K2 5 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).