China Aerospace Science and Technology CorporationLong March 6ALaunch Complex 9A, Taiyuan Satellite Launch Center, People's Republic of China
Shiyan 27 01-06
Launched
April 18, 2025 · 22:51 UTC
Image: CCTV
Summary
Shiyan 27 01-06 launched on a China Aerospace Science and Technology Corporation Long March 6A from Launch Complex 9A, Taiyuan Satellite Launch Center, People's Republic of China on April 18, 2025 at 22:51 UTC. The launch window ran from 22:44 to 23:10 UTC. It was China Aerospace Science and Technology Corporation's 517th launch, 16th this year and humanity's 6,929th orbital launch attempt. It was the 11th Long March 6A flight and the 2nd this year. The payload was bound for Sun-Synchronous Orbit (SSO). Shiyan 27-01, one of 7 catalogued objects, reached a 1,007 × 1,016 km orbit inclined 99.7°. 7 objects from this launch are catalogued, 6 of them payloads.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Sun-Synchronous Orbit (SSO)
- Milestone
- 11th Long March 6A flight · 2nd this yearChina Aerospace Science and Technology Corporation's 517th launch16th this yearhumanity's 6,929th orbital launch attempt80th orbital launch attempt this year
Flight preview
Orbit: as tracked
Shiyan 27-01 · NORAD 63599 · 2025-078 · Space-Track · tracking 1 of 7 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-078A
- Epoch
- 2025-04-19 09:12:58 UTC
- Mean motion
- 13.68655103 rev/day
- Eccentricity
- 0.0006035
- Inclination
- 99.6913°
- Ascending node
- 117.8147°
- Arg. of perigee
- 229.0573°
- Mean anomaly
- 216.793°
- Element set
- 999
- Rev at epoch
- 3
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: SSO. Ascent drawn from padside's representative profile.
Catalogued objects
7 catalogued: 6 payloads, 1 rocket stage; 7 still in orbit
- Shiyan 27-01 · NORAD 63599 · in orbit
- Shiyan 27-02 · NORAD 63600 · in orbit
- Shiyan 27-03 · NORAD 63601 · in orbit
- Shiyan 27-04 · NORAD 63602 · in orbit
- Shiyan 27-05 · NORAD 63603 · in orbit
- Shiyan 27-06 · NORAD 63604 · in orbit
CZ-6A Y11 Stage 2 · in orbit
Data from J. McDowell, planet4589.org
About this launch
A group of 6 Chinese satellites reported to be for "space environment probing and other related technological testing". Actual usage not known.
Pad

Launch Complex 9A, Taiyuan Satellite Launch Center, People's Republic of China
12th launch from Launch Complex 9A, 2nd this year · 140th from Taiyuan Satellite Launch Center, People's Republic of China
Local pad time at liftoff: Apr 19, 6:51 AM GMT+8, in daylight
29 launches from this pad · 162 from Taiyuan Satellite Launch Center, People's Republic of China
85 days after the previous launch from this pad
All launches from Taiyuan 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 highly uncertain.
Cosmic_Penguin · 4/16/2025 · source
Questions
When did Shiyan 27 01-06 launch?
Shiyan 27 01-06 launched on April 18, 2025 at 22:51 UTC. The launch window ran from 22:44 to 23:10 UTC.
Where can I watch Shiyan 27 01-06?
No webcast is on record for this launch.
What rocket launched Shiyan 27 01-06?
Long March 6A, flown by China Aerospace Science and Technology Corporation. Long March 6A spec sheet
Where did Shiyan 27 01-06 launch from?
Launch Complex 9A, Taiyuan Satellite Launch Center, People's Republic of China. Liftoff was Apr 19, 6:51 AM GMT+8 local time at the pad.
What orbit did Shiyan 27 01-06 reach?
Shiyan 27-01, one of 7 catalogued objects, reached a 1,007 × 1,016 km orbit inclined 99.7°.
How many satellites did Shiyan 27 01-06 launch?
6 payloads from this launch are catalogued, 6 of them still in orbit (Data from J. McDowell, planet4589.org).
