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China Aerospace Science and Technology CorporationLong March 2DLaunch Area 94 (SLS-2 / 603), Jiuquan Satellite Launch Center, People's Republic of China
Shiyan 31
Launched
October 13, 2025 · 10:00 UTC
Summary
Shiyan 31 launched on a China Aerospace Science and Technology Corporation Long March 2D from Launch Area 94 (SLS-2 / 603), Jiuquan Satellite Launch Center, People's Republic of China on October 13, 2025 at 10:00 UTC. The launch window ran from 09:50 to 10:25 UTC. It was China Aerospace Science and Technology Corporation's 546th launch, 45th this year and humanity's 7,082nd orbital launch attempt. It was the 96th Long March 2D flight and the 7th this year. The payload was bound for Polar Orbit (PO). Shiyan 31, one of 2 catalogued objects, reached a 505 × 520 km orbit inclined 80.0°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Polar Orbit (PO)
- Milestone
- 96th Long March 2D flight · 7th this yearChina Aerospace Science and Technology Corporation's 546th launch45th this yearhumanity's 7,082nd orbital launch attempt233rd orbital launch attempt this year
Flight preview
Orbit: as tracked
Shiyan 31 · NORAD 65945 · 2025-227 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-227A
- Epoch
- 2025-10-13 12:38:09 UTC
- Mean motion
- 15.2005208 rev/day
- Eccentricity
- 0.00108135
- Inclination
- 79.9987°
- Ascending node
- 101.7701°
- Arg. of perigee
- 268.3158°
- Mean anomaly
- 91.6831°
- Element set
- 999
- Rev at epoch
- 2
- B*
- 0.000099589333
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: PO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- Shiyan 31 · NORAD 65945 · in orbit
CZ-2D Y92 Stage 2 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Chinese satellite reported to be for "new optical imaging technological demonstration" purposes. Actual usage not known.
Pad
Launch Area 94 (SLS-2 / 603), Jiuquan Satellite Launch Center, People's Republic of China
129th launch from Launch Area 94 (SLS-2 / 603), 10th this year · 260th from Jiuquan Satellite Launch Center, People's Republic of China
Local pad time at liftoff: Oct 13, 6:00 PM GMT+8, in daylight
138 launches from this pad · 299 from Jiuquan Satellite Launch Center, People's Republic of China
16 days after the previous launch from this pad
All launches from Jiuquan Satellite Launch Center, People's Republic of ChinaOpen in maps
Updates
Launch success.
Questions
When did Shiyan 31 launch?
Shiyan 31 launched on October 13, 2025 at 10:00 UTC. The launch window ran from 09:50 to 10:25 UTC.
Where can I watch Shiyan 31?
No webcast is on record for this launch.
What rocket launched Shiyan 31?
Long March 2D, flown by China Aerospace Science and Technology Corporation. Long March 2D spec sheet
Where did Shiyan 31 launch from?
Launch Area 94 (SLS-2 / 603), Jiuquan Satellite Launch Center, People's Republic of China. Liftoff was Oct 13, 6:00 PM GMT+8 local time at the pad.
What orbit did Shiyan 31 reach?
Shiyan 31, one of 2 catalogued objects, reached a 505 × 520 km orbit inclined 80.0°.
How many satellites did Shiyan 31 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).