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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-01
Launched
July 3, 2025 · 09:35 UTC
Summary
Shiyan 28 B-01 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 July 3, 2025 at 09:35 UTC. The launch window ran from 09:26 to 09:50 UTC. It was China Aerospace Science and Technology Corporation's 530th launch, 29th this year and humanity's 6,998th orbital launch attempt. It was the 57th Long March 4C flight and the 1st this year. The payload was bound for low Earth orbit (LEO). The tracked orbit of Shiyan 28B-01, one of 3 catalogued objects, from July 8, 2025, was 800 × 803 km inclined 11.0°. 3 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
- 57th Long March 4C flight · 1st this yearChina Aerospace Science and Technology Corporation's 530th launch29th this yearhumanity's 6,998th orbital launch attempt149th orbital launch attempt this year
Flight preview
Orbit: as tracked
Shiyan 28B-01 · NORAD 64753 · 2025-145 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-145A
- Epoch
- 2025-07-08 23:33:19 UTC
- Mean motion
- 14.29197455 rev/day
- Eccentricity
- 0.000221
- Inclination
- 11.0013°
- Ascending node
- 42.9749°
- Arg. of perigee
- 114.2464°
- Mean anomaly
- 298.487°
- Element set
- 999
- Rev at epoch
- 73
- B*
- 0.0003302
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
3 catalogued: 1 payload, 1 rocket stage, 1 component; 2 still in orbit
- Shiyan 28B-01 · NORAD 64753 · in orbit
CZ-4C Y63 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
101st launch from Launch Complex 3 (LC-3/LA-1), 5th this year · 228th from Xichang Satellite Launch Center, People's Republic of China
Local pad time at liftoff: Jul 3, 5:35 PM GMT+8, in daylight
108 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
51 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 highly uncertain.
Cosmic_Penguin · 6/30/2025 · source
Questions
When did Shiyan 28 B-01 launch?
Shiyan 28 B-01 launched on July 3, 2025 at 09:35 UTC. The launch window ran from 09:26 to 09:50 UTC.
Where can I watch Shiyan 28 B-01?
No webcast is on record for this launch.
What rocket launched Shiyan 28 B-01?
Long March 4C, flown by China Aerospace Science and Technology Corporation. Long March 4C spec sheet
Where did Shiyan 28 B-01 launch from?
Launch Complex 3 (LC-3/LA-1), Xichang Satellite Launch Center, People's Republic of China. Liftoff was Jul 3, 5:35 PM GMT+8 local time at the pad.
What orbit did Shiyan 28 B-01 reach?
The tracked orbit of Shiyan 28B-01, one of 3 catalogued objects, from July 8, 2025, was 800 × 803 km inclined 11.0°.
How many satellites did Shiyan 28 B-01 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).