Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Yantar-1KFT 5
Launched
August 8, 1985
Summary
Yantar-1KFT 5 launched on a Soviet Space Program Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on August 8, 1985. It was Soviet Space Program's 1,911th launch, 55th this year and humanity's 2,973rd orbital launch attempt. It was the 413th Soyuz U flight and the 24th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1673, one of 3 catalogued objects, reached a 205 × 279 km orbit inclined 64.8°. 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
- 413th Soyuz U flight · 24th this yearSoviet Space Program's 1,911th launch55th this yearhumanity's 2,973rd orbital launch attempt69th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1673 · NORAD 15942 · 1985-068 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1985-068A
- Epoch
- 1985-08-08 19:07:23 UTC
- Mean motion
- 16.14273653 rev/day
- Eccentricity
- 0.0055684
- Inclination
- 64.7862°
- Ascending node
- 146.1135°
- Arg. of perigee
- 61.9352°
- Mean anomaly
- 298.7269°
- Element set
- 999
- Rev at epoch
- 6
- B*
- 0.00030355
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-1673 · NORAD 15942 · landed September 19, 1985
Soyuz-U 56-205 Blok-I · re-entered August 14, 1985
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad

1/5, Baikonur Cosmodrome, Republic of Kazakhstan
218th launch from 1/5, 6th this year · 749th from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
19 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Yantar-1KFT 5 launch?
Yantar-1KFT 5 launched on August 8, 1985. The time is known to the hour, not the minute.
Where can I watch Yantar-1KFT 5?
No webcast is on record for this launch.
What rocket launched Yantar-1KFT 5?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-1KFT 5 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Yantar-1KFT 5 reach?
Kosmos-1673, one of 3 catalogued objects, reached a 205 × 279 km orbit inclined 64.8°.
How many satellites did Yantar-1KFT 5 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)