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China Aerospace Science and Technology CorporationLong March 11Mobile Launcher Pad, Xichang Satellite Launch Center, People's Republic of China
Shiyan 21
Launched
December 16, 2022
Summary
Shiyan 21 launched on a China Aerospace Science and Technology Corporation Long March 11 from Mobile Launcher Pad, Xichang Satellite Launch Center, People's Republic of China on December 16, 2022. It was China Aerospace Science and Technology Corporation's 403rd launch, 51st this year and humanity's 6,360th orbital launch attempt. It was the 15th Long March 11 flight and the 4th this year. The payload was bound for low Earth orbit (LEO). It reached a 481 × 500 km orbit inclined 36.0°. One object from this launch is catalogued.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 15th Long March 11 flight · 4th this yearChina Aerospace Science and Technology Corporation's 403rd launch51st this yearhumanity's 6,360th orbital launch attempt178th orbital launch attempt this year
Flight preview
Orbit: as tracked
Shiyan 21 · NORAD 54752 · 2022-172 · Space-Track
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2022-172A
- Epoch
- 2022-12-16 17:20:02 UTC
- Mean motion
- 15.27546361 rev/day
- Eccentricity
- 0.0014001
- Inclination
- 36.0004°
- Ascending node
- 151.9653°
- Arg. of perigee
- 303.8234°
- Mean anomaly
- 182.9754°
- Element set
- 999
- Rev at epoch
- 6
- 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
1 catalogued: 1 payload; 1 still in orbit
- Shiyan 21 · NORAD 54752 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Chinese classified satellite of unknown purposes.
Pad
Mobile Launcher Pad, Xichang Satellite Launch Center, People's Republic of China
4th launch from Mobile Launcher Pad, 2nd this year · 182nd from Xichang Satellite Launch Center, People's Republic of China
8 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
115 days after the previous launch from this pad
All launches from Xichang Satellite Launch Center, People's Republic of ChinaOpen in maps
Updates
Launch success.
Show 1 earlier update
Added launch per NOTAMs; payload and launch vehicle identities very uncertain.
Cosmic_Penguin · 12/12/2022 · source
Questions
When did Shiyan 21 launch?
Shiyan 21 launched on December 16, 2022. The time is known to the hour, not the minute.
Where can I watch Shiyan 21?
No webcast is on record for this launch.
What rocket launched Shiyan 21?
Long March 11, flown by China Aerospace Science and Technology Corporation. Long March 11 spec sheet
Where did Shiyan 21 launch from?
Mobile Launcher Pad, Xichang Satellite Launch Center, People's Republic of China.
What orbit did Shiyan 21 reach?
It reached a 481 × 500 km orbit inclined 36.0°.
How many satellites did Shiyan 21 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).