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China Aerospace Science and Technology CorporationLong March 7A201, Wenchang Space Launch Site, People's Republic of China

Shiyan 12-01 & 02

Launched

December 23, 2021

Launch Successful

Image: CASC

Summary

Shiyan 12-01 & 02 launched on a China Aerospace Science and Technology Corporation Long March 7A from 201, Wenchang Space Launch Site, People's Republic of China on December 23, 2021. It was China Aerospace Science and Technology Corporation's 349th launch, 45th this year and humanity's 6,175th orbital launch attempt. It was the 3rd Long March 7A flight and the 2nd this year. The payload was bound for Geostationary Transfer Orbit (GTO). Shiyan 12-01, one of 4 catalogued objects, reached a 196 × 35,786 km orbit inclined 19.5°. 4 objects from this launch are catalogued, 2 of them payloads.

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Vehicle
Long March 7A · China Aerospace Science and Technology Corporation
Booster
No booster details on record.
Mission
Government/Top Secret · Geostationary Transfer Orbit (GTO)
Milestone
3rd Long March 7A flight · 2nd this yearChina Aerospace Science and Technology Corporation's 349th launch45th this yearhumanity's 6,175th orbital launch attempt138th orbital launch attempt this year

Flight preview

Orbit: as tracked

19.5°Inclination
196 × 35786 kmPerigee × apogeefrom mean elements
630.7 minPeriodfrom mean elements
266.1°Ascending node
1757 d agoElement epoch2021-12-23 14:48 UTC · stale

Shiyan 12-01 · NORAD 50321 · 2021-129 · Space-Track · tracking 1 of 4 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
2021-129A
Epoch
2021-12-23 14:48:08 UTC
Mean motion
2.28316771 rev/day
Eccentricity
0.7304372
Inclination
19.5329°
Ascending node
266.1392°
Arg. of perigee
179.4723°
Mean anomaly
142.4645°
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

4 catalogued: 2 payloads, 1 rocket stage, 1 component; 2 still in orbit

  • Shiyan 12-01 · NORAD 50321 · in orbit
  • Shiyan 12-02 · NORAD 50322 · in orbit

CZ-7A Y3 Stage 3 · re-entered January 7, 2022

Data from J. McDowell, planet4589.org

About this launch

Chinese experimental satellites. Details TBD.

Pad

Map of 201

201, Wenchang Space Launch Site, People's Republic of China

8th launch from 201, 4th this year · 15th from Wenchang Space Launch Site, People's Republic of China

33 launches from this pad · 75 from Wenchang Space Launch Site, People's Republic of China

94 days after the previous launch from this pad

All launches from Wenchang Space Launch Site, People's Republic of ChinaOpen in maps

Updates

Launch success.

Cosmic_Penguin · Dec 23, 2021 · source

Show 4 earlier updates

  • Launch date and time confirmed per new NOTAM messages; rocket confirmed visually; payload still uncertain.

    Cosmic_Penguin · 12/21/2021 · source

  • Delay due to weather.

    Cosmic_Penguin · 12/18/2021 · source

  • New launch date.

    Cosmic_Penguin · 11/29/2021 · source

  • Launch added per NOTAMs; identity of launch vehicle and payload highly uncertain.

    Cosmic_Penguin · 11/18/2021 · source

Questions

When did Shiyan 12-01 & 02 launch?

Shiyan 12-01 & 02 launched on December 23, 2021. The time is known to the hour, not the minute.

Where can I watch Shiyan 12-01 & 02?

Coverage: Long March-7A launches Shiyan-12 01 and 02. Watch the replay

What rocket launched Shiyan 12-01 & 02?

Long March 7A, flown by China Aerospace Science and Technology Corporation. Long March 7A spec sheet

Where did Shiyan 12-01 & 02 launch from?

201, Wenchang Space Launch Site, People's Republic of China.

What orbit did Shiyan 12-01 & 02 reach?

Shiyan 12-01, one of 4 catalogued objects, reached a 196 × 35,786 km orbit inclined 19.5°.

How many satellites did Shiyan 12-01 & 02 launch?

2 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).