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Soviet Space ProgramProton / UR-500 K/D81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
Luna-21
Launched
January 8, 1973
Summary
Luna-21 launched on a Soviet Space Program Proton / UR-500 K/D from 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan on January 8, 1973. It was Soviet Space Program's 713th launch, 1st this year and humanity's 1,423rd orbital launch attempt. It was the 31st Proton / UR-500 K/D flight and the 1st this year. The payload was bound for Lunar Impactor (Lunar Impactor). Luna-21, one of 3 catalogued objects, reached a 217 × 354 km orbit inclined 51.5°. 3 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Proton / UR-500 K/D · Soviet Space ProgramLuna
- Booster
- No booster details on record.
- Mission
- Robotic Exploration · Lunar Impactor (Lunar Impactor)
- Milestone
- 31st Proton / UR-500 K/D flight · 1st this yearSoviet Space Program's 713th launch1st this yearhumanity's 1,423rd orbital launch attempt1st orbital launch attempt this year
Flight preview
Orbit: as tracked
Luna-21 · NORAD 6333 · 1973-001 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1973-001A
- Epoch
- 1973-01-08 09:42:06 UTC
- Mean motion
- 15.98638166 rev/day
- Eccentricity
- 0.010299
- Inclination
- 51.5256°
- Ascending node
- 219.9735°
- Arg. of perigee
- 40.8552°
- Mean anomaly
- 320.0076°
- 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: Lunar Impactor. Ascent drawn from padside's representative profile.
Catalogued objects
3 catalogued: 1 payload, 2 components
- Luna-21 · NORAD 6333 · left Earth orbit January 9, 1973
Data from J. McDowell, planet4589.org
About this launch
Lunar lander and rover
Pad
81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
24th launch from 81/23 (81L), 1st this year · 366th from Baikonur Cosmodrome, Republic of Kazakhstan
104 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
163 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Luna-21 launch?
Luna-21 launched on January 8, 1973. The time is known to the hour, not the minute.
Where can I watch Luna-21?
No webcast is on record for this launch.
What rocket launched Luna-21?
Proton / UR-500 K/D, flown by Soviet Space Program. Proton / UR-500 K/D spec sheet
Where did Luna-21 launch from?
81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Luna-21 reach?
Luna-21, one of 3 catalogued objects, reached a 217 × 354 km orbit inclined 51.5°.
How many satellites did Luna-21 launch?
1 payload from this launch is catalogued (Data from J. McDowell, planet4589.org).
Which program is Luna-21 part of?
Luna. About Luna