Soviet Space ProgramSoyuz-U21/5, Baikonur Cosmodrome, Republic of Kazakhstan
Progress 31
Launched
August 3, 1987
Summary
Progress 31 launched on a Soviet Space Program Soyuz-U2 from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on August 3, 1987. It was Soviet Space Program's 2,111th launch, 61st this year and humanity's 3,209th orbital launch attempt. It was the 19th Soyuz-U2 flight and the 7th this year. The payload was bound for low Earth orbit (LEO). Progress-31, one of 2 catalogued objects, reached a 194 × 258 km orbit inclined 51.6°. The spacecraft was Progress 31 (Progress 31 (No.138)). 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Resupply · Low Earth Orbit (LEO)
- Milestone
- 19th Soyuz-U2 flight · 7th this yearSoviet Space Program's 2,111th launch61st this yearhumanity's 3,209th orbital launch attempt70th orbital launch attempt this year
Spacecraft
Progress 31 (Progress 31 (No.138))
Progress 31 (Russian: Прогресс 31), was a Progress spacecraft used to resupply the space station Mir.
- Destination: Mir
- Mission length: 50 days
- Docked August 5, 1987 at Kvant-1 aft
The Progress spacecraft burned up upon entering Earth's atmosphere.
Flight preview
Orbit: as tracked
Progress-31 · NORAD 18283 · 1987-066 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- PROGRESS 31
- Object ID
- 1987-066A
- Epoch
- 1987-08-03 22:01:41 UTC
- Mean motion
- 16.20355902 rev/day
- Eccentricity
- 0.004831
- Inclination
- 51.6348°
- Ascending node
- 272.482°
- Arg. of perigee
- 89.7626°
- Mean anomaly
- 270.9206°
- 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
2 catalogued: 1 payload, 1 rocket stage
- Progress-31 · NORAD 18283 · docked August 5, 1987
Soyuz-U2 No. 017 Blok-I · re-entered August 7, 1987
Data from J. McDowell, planet4589.org
About this launch
Progress 31 was an uncrewed Progress 7K-TG cargo spacecraft that delivered propellant, water, food and equipment to the Mir space station. After unloading it was undocked and destroyed on reentry.
Pad

1/5, Baikonur Cosmodrome, Republic of Kazakhstan
242nd launch from 1/5, 10th this year · 828th from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
12 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Progress 31 launch?
Progress 31 launched on August 3, 1987. The time is known to the hour, not the minute.
Where can I watch Progress 31?
No webcast is on record for this launch.
What rocket launched Progress 31?
Soyuz-U2, flown by Soviet Space Program. Soyuz-U2 spec sheet
Where did Progress 31 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Progress 31 reach?
Progress-31, one of 2 catalogued objects, reached a 194 × 258 km orbit inclined 51.6°.
Which program is Progress 31 part of?
Mir. About Mir
![[AUTO] Soyuz-U - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz-u_image_20191229074852.jpg&w=1600)