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Soviet Space ProgramProton-K81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
Salyut-3a
Launched
May 11, 1973
Summary
Salyut-3a launched on a Soviet Space Program Proton-K from 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan on May 11, 1973. It was Soviet Space Program's 735th launch, 23rd this year and humanity's 1,449th orbital launch attempt. It was the 5th Proton-K flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Kosmos-557, one of 2 catalogued objects, reached a 221 × 257 km orbit inclined 51.6°. 2 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
- 5th Proton-K flight · 2nd this yearSoviet Space Program's 735th launch23rd this yearhumanity's 1,449th orbital launch attempt27th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-557 · NORAD 6498 · 1973-026 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1973-026A
- Epoch
- 1973-05-11 03:07:03 UTC
- Mean motion
- 16.1559651 rev/day
- Eccentricity
- 0.0026998
- Inclination
- 51.6131°
- Ascending node
- 242.3403°
- Arg. of perigee
- 73.8731°
- Mean anomaly
- 286.5212°
- 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
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- Kosmos-557 · NORAD 6498 · re-entered May 22, 1973
Proton-K 284-01 Stage 3 · re-entered May 17, 1973
Data from J. McDowell, planet4589.org
About this launch
Third Salyut space station launched. Lost due to uncontrolled engines firing, called Kosmos-557 in an attempt to hide its true nature.
Pad
81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
26th launch from 81/23 (81L), 3rd this year · 374th from Baikonur Cosmodrome, Republic of Kazakhstan
104 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
37 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Salyut-3a launch?
Salyut-3a launched on May 11, 1973. The time is known to the hour, not the minute.
Where can I watch Salyut-3a?
No webcast is on record for this launch.
What rocket launched Salyut-3a?
Proton-K, flown by Soviet Space Program. Proton-K spec sheet
Where did Salyut-3a launch from?
81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Salyut-3a reach?
Kosmos-557, one of 2 catalogued objects, reached a 221 × 257 km orbit inclined 51.6°.
How many satellites did Salyut-3a launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
Which program is Salyut-3a part of?
Salyut. About Salyut