Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Zenit-8 27
Launched
January 28, 1986
Summary
Zenit-8 27 launched on a Soviet Space Program Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on January 28, 1986. It was Soviet Space Program's 1,964th launch, 8th this year and humanity's 3,038th orbital launch attempt. It was the 429th Soyuz U flight and the 3rd this year. The payload was bound for low Earth orbit (LEO). Kosmos-1728, one of 6 catalogued objects, reached a 213 × 288 km orbit inclined 70.0°. 6 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
- 429th Soyuz U flight · 3rd this yearSoviet Space Program's 1,964th launch8th this yearhumanity's 3,038th orbital launch attempt9th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1728 · NORAD 16512 · 1986-009 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1986-009A
- Epoch
- 1986-01-28 09:56:58 UTC
- Mean motion
- 16.11218143 rev/day
- Eccentricity
- 0.0056146
- Inclination
- 69.9689°
- Ascending node
- 298.4294°
- Arg. of perigee
- 66.1501°
- Mean anomaly
- 294.0549°
- Element set
- 999
- Rev at epoch
- 1
- 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
6 catalogued: 1 payload, 1 rocket stage, 4 components; none still in orbit
- Kosmos-1728 · NORAD 16512 · landed February 11, 1986
Soyuz-U 21-330 Blok-I · re-entered February 6, 1986
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad

1/5, Baikonur Cosmodrome, Republic of Kazakhstan
221st launch from 1/5, 1st this year · 765th from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
97 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Zenit-8 27 launch?
Zenit-8 27 launched on January 28, 1986. The time is known to the hour, not the minute.
Where can I watch Zenit-8 27?
No webcast is on record for this launch.
What rocket launched Zenit-8 27?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Zenit-8 27 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Zenit-8 27 reach?
Kosmos-1728, one of 6 catalogued objects, reached a 213 × 288 km orbit inclined 70.0°.
How many satellites did Zenit-8 27 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)