Soviet Space ProgramSoyuz-U231/6, Baikonur Cosmodrome, Republic of Kazakhstan
Zenit-6U 91 (Kosmos 1533)
Launched
January 26, 1984
Summary
Zenit-6U 91 launched on a Soviet Space Program Soyuz-U2 from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on January 26, 1984. It was Soviet Space Program's 1,764th launch, 5th this year and humanity's 2,781st orbital launch attempt. It was the 3rd Soyuz-U2 flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Kosmos-1533, one of 6 catalogued objects, reached a 232 × 364 km orbit inclined 70.4°. 6 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Soyuz-U2 · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 3rd Soyuz-U2 flight · 1st this yearSoviet Space Program's 1,764th launch5th this yearhumanity's 2,781st orbital launch attempt6th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1533 · NORAD 14666 · 1984-006 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1984-006A
- Epoch
- 1984-01-26 10:12:56 UTC
- Mean motion
- 15.94209258 rev/day
- Eccentricity
- 0.0099009
- Inclination
- 70.3806°
- Ascending node
- 300.3856°
- Arg. of perigee
- 76.4828°
- Mean anomaly
- 284.5202°
- 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-1533 · NORAD 14666 · landed February 9, 1984
Soyuz-U2 No. 003 Blok-I · re-entered February 13, 1984
Data from J. McDowell, planet4589.org
About this launch
Optical film-return reconnaissance satellite
Pad

31/6, Baikonur Cosmodrome, Republic of Kazakhstan
268th launch from 31/6, 1st this year · 695th from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
29 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Zenit-6U 91 launch?
Zenit-6U 91 launched on January 26, 1984. The time is known to the hour, not the minute.
Where can I watch Zenit-6U 91?
No webcast is on record for this launch.
What rocket launched Zenit-6U 91?
Soyuz-U2, flown by Soviet Space Program. Soyuz-U2 spec sheet
Where did Zenit-6U 91 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Zenit-6U 91 reach?
Kosmos-1533, one of 6 catalogued objects, reached a 232 × 364 km orbit inclined 70.4°.
How many satellites did Zenit-6U 91 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%2Fsoyuz-u_image_20191229074852.jpg&w=1600)