Soviet Space ProgramProton-K81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan
Salyut-4
Launched
December 26, 1974
Summary
Salyut-4 launched on a Soviet Space Program Proton-K from 81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan on December 26, 1974. It was Soviet Space Program's 884th launch, 83rd this year and humanity's 1,649th orbital launch attempt. It was the 7th Proton-K flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Salyut-4, one of 41 catalogued objects, reached a 222 × 259 km orbit inclined 51.6°. 41 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Human Exploration · Low Earth Orbit (LEO)
- Milestone
- 7th Proton-K flight · 2nd this yearSoviet Space Program's 884th launch83rd this yearhumanity's 1,649th orbital launch attempt111th orbital launch attempt this year
Flight preview
Orbit: as tracked
Salyut-4 · NORAD 7591 · 1974-104 · Space-Track · tracking 1 of 41 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1974-104A
- Epoch
- 1974-12-26 07:02:07 UTC
- Mean motion
- 16.14893252 rev/day
- Eccentricity
- 0.0028226
- Inclination
- 51.5726°
- Ascending node
- 166.6883°
- Arg. of perigee
- 75.8606°
- Mean anomaly
- 284.55°
- Element set
- 999
- Rev at epoch
- 2
- 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
41 catalogued: 1 payload, 1 rocket stage, 39 components; none still in orbit
- Salyut-4 · NORAD 7591 · deorbited February 2, 1977
Proton-K 284-02 Stage 3 · re-entered January 1, 1975
Data from J. McDowell, planet4589.org
About this launch
Fourth operational Salyut space station
Pad

81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan
20th launch from 81/24 (81P), 4th this year · 414th from Baikonur Cosmodrome, Republic of Kazakhstan
93 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
58 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Salyut-4 launch?
Salyut-4 launched on December 26, 1974. The time is known to the hour, not the minute.
Where can I watch Salyut-4?
No webcast is on record for this launch.
What rocket launched Salyut-4?
Proton-K, flown by Soviet Space Program. Proton-K spec sheet
Where did Salyut-4 launch from?
81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Salyut-4 reach?
Salyut-4, one of 41 catalogued objects, reached a 222 × 259 km orbit inclined 51.6°.
How many satellites did Salyut-4 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
Which program is Salyut-4 part of?
Salyut. About Salyut
![[AUTO] Proton - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fproton_image_20190207032625.jpeg&w=1600)