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China Aerospace Science and Technology CorporationLong March 4CLaunch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China
Shiyan 28 B-02
Launched
August 17, 2025 · 08:55 UTC
Summary
Shiyan 28 B-02 launched on a China Aerospace Science and Technology Corporation Long March 4C from Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China on August 17, 2025 at 08:55 UTC. The launch window ran from 08:55 to 09:20 UTC. It was China Aerospace Science and Technology Corporation's 536th launch, 35th this year and humanity's 7,032nd orbital launch attempt. It was the 58th Long March 4C flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Shiyan 28B-02, one of 2 catalogued objects, reached a 798 × 804 km orbit inclined 11.0°. 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 · Low Earth Orbit (LEO)
- Milestone
- 58th Long March 4C flight · 2nd this yearChina Aerospace Science and Technology Corporation's 536th launch35th this yearhumanity's 7,032nd orbital launch attempt183rd orbital launch attempt this year
Flight preview
Orbit: as tracked
Shiyan 28B-02 · NORAD 65226 · 2025-177 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-177A
- Epoch
- 2025-08-17 22:32:11 UTC
- Mean motion
- 14.29313566 rev/day
- Eccentricity
- 0.0003733
- Inclination
- 11.0034°
- Ascending node
- 109.7747°
- Arg. of perigee
- 41.1618°
- Mean anomaly
- 69.3514°
- Element set
- 999
- Rev at epoch
- 8
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- Shiyan 28B-02 · NORAD 65226 · in orbit
CZ-4C Y64 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Satellite officially named for "space environment detection" purposes, exact details unknown.
Pad
Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China
102nd launch from Launch Complex 3 (LC-3/LA-1), 6th this year · 230th from Xichang Satellite Launch Center, People's Republic of China
Local pad time at liftoff: Aug 17, 4:55 PM GMT+8, in daylight
108 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 and launch vehicle identities uncertain.
Cosmic_Penguin · 8/13/2025 · source
Questions
When did Shiyan 28 B-02 launch?
Shiyan 28 B-02 launched on August 17, 2025 at 08:55 UTC. The launch window ran from 08:55 to 09:20 UTC.
Where can I watch Shiyan 28 B-02?
No webcast is on record for this launch.
What rocket launched Shiyan 28 B-02?
Long March 4C, flown by China Aerospace Science and Technology Corporation. Long March 4C spec sheet
Where did Shiyan 28 B-02 launch from?
Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China. Liftoff was Aug 17, 4:55 PM GMT+8 local time at the pad.
What orbit did Shiyan 28 B-02 reach?
Shiyan 28B-02, one of 2 catalogued objects, reached a 798 × 804 km orbit inclined 11.0°.
How many satellites did Shiyan 28 B-02 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).