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China Aerospace Science and Technology CorporationLong March 3B/ELaunch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
Shijian 21
Launched
October 24, 2021
Image: China Aerospace Science and Technology Corporation
Summary
Shijian 21 launched on a China Aerospace Science and Technology Corporation Long March 3B/E from Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China on October 24, 2021. It was China Aerospace Science and Technology Corporation's 340th launch, 36th this year and humanity's 6,139th orbital launch attempt. It was the 44th Long March 3B/E flight and the 7th this year. The payload was bound for Geostationary Transfer Orbit (GTO). Shi Jian 21, one of 3 catalogued objects, reached a 234 × 35,824 km orbit inclined 28.5°. 3 objects from this launch are catalogued, 2 of them payloads.
- Watch
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Transfer Orbit (GTO)
- Milestone
- 44th Long March 3B/E flight · 7th this yearChina Aerospace Science and Technology Corporation's 340th launch36th this yearhumanity's 6,139th orbital launch attempt102nd orbital launch attempt this year
Flight preview
Orbit: as tracked
Shi Jian 21 · NORAD 49330 · 2021-094 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2021-094A
- Epoch
- 2021-10-24 04:00:15 UTC
- Mean motion
- 2.27776278 rev/day
- Eccentricity
- 0.7292954
- Inclination
- 28.4807°
- Ascending node
- 51.6102°
- Arg. of perigee
- 179.783°
- Mean anomaly
- 74.1145°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: GTO. Ascent drawn from padside's representative profile.
Catalogued objects
3 catalogued: 2 payloads, 1 rocket stage; 2 still in orbit
- Shi Jian 21 · NORAD 49330
- SJ-21 subsatellite · NORAD 49382 · in orbit
CZ-3B Y83 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Chinese payload launching on trajectory consistent with geostationary transfer target orbit, official purpose declared as "validation of on orbit space debris reduction technologies".
Pad
Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
95th launch from Launch Complex 2 (LC-2), 6th this year · 163rd from Xichang Satellite Launch Center, People's Republic of China
126 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
44 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 identity not known and the identity of rocket is uncertain.
Cosmic_Penguin · 10/23/2021 · source
Questions
When did Shijian 21 launch?
Shijian 21 launched on October 24, 2021. The time is known to the hour, not the minute.
Where can I watch Shijian 21?
Coverage: Long March-3B launches Shijian-21. Watch the replay
What rocket launched Shijian 21?
Long March 3B/E, flown by China Aerospace Science and Technology Corporation. Long March 3B/E spec sheet
Where did Shijian 21 launch from?
Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China.
What orbit did Shijian 21 reach?
Shi Jian 21, one of 3 catalogued objects, reached a 234 × 35,824 km orbit inclined 28.5°.
How many satellites did Shijian 21 launch?
2 payloads from this launch are catalogued, 1 of them still in orbit (Data from J. McDowell, planet4589.org).