Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Progress 4
Launched
October 3, 1978
Summary
Progress 4 launched on a Soviet Space Program Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on October 3, 1978. It was Soviet Space Program's 1,246th launch, 64th this year and humanity's 2,138th orbital launch attempt. It was the 120th Soyuz U flight and the 34th this year. The payload was bound for low Earth orbit (LEO). Progress-4, one of 2 catalogued objects, reached a 192 × 255 km orbit inclined 51.7°. The spacecraft was Progress 4 (Progress 4 (No.105)). 2 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
- Resupply · Low Earth Orbit (LEO)
- Milestone
- 120th Soyuz U flight · 34th this yearSoviet Space Program's 1,246th launch64th this yearhumanity's 2,138th orbital launch attempt93rd orbital launch attempt this year
Spacecraft
Progress 4 (Progress 4 (No.105))
Progress 4 (Russian: Прогресс 4), was a Progress spacecraft used to resupply the space station Salyut 6.
- Destination: Salyut 6
- Mission length: 22 days
- Docked October 6, 1978 at Salyut-6 aft
The Progress spacecraft burned up upon entering Earth's atmosphere.
Flight preview
Orbit: as tracked
Progress-4 · NORAD 11040 · 1978-090 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1978-090A
- Epoch
- 1978-10-04 04:54:43 UTC
- Mean motion
- 16.21244268 rev/day
- Eccentricity
- 0.0047566
- Inclination
- 51.6513°
- Ascending node
- 8.2922°
- Arg. of perigee
- 97.5862°
- Mean anomaly
- 268.8982°
- Element set
- 999
- Rev at epoch
- 4
- 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-4 · NORAD 11040 · docked October 6, 1978
Soyuz-U No. 152 Blok-I · re-entered October 5, 1978
Data from J. McDowell, planet4589.org
About this launch
Progress 4 was an uncrewed Progress 7K-TG cargo spacecraft that delivered propellant, water, food and equipment to the Salyut 6 space station. After unloading it was undocked and destroyed on reentry.
Pad

1/5, Baikonur Cosmodrome, Republic of Kazakhstan
169th launch from 1/5, 7th this year · 531st from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
38 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Progress 4 launch?
Progress 4 launched on October 3, 1978. The time is known to the hour, not the minute.
Where can I watch Progress 4?
No webcast is on record for this launch.
What rocket launched Progress 4?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Progress 4 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Progress 4 reach?
Progress-4, one of 2 catalogued objects, reached a 192 × 255 km orbit inclined 51.7°.
![[AUTO] Soyuz U - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz2520u_image_20190222031023.jpeg&w=1600)