China Aerospace Science and Technology CorporationLong March 5B/YZ-2101, Wenchang Space Launch Site, People's Republic of China
SatNet LEO Group 03
Launched
April 28, 2025 · 20:10 UTC
Image: CCTV
Summary
SatNet LEO Group 03 launched on a China Aerospace Science and Technology Corporation Long March 5B/YZ-2 from 101, Wenchang Space Launch Site, People's Republic of China on April 28, 2025 at 20:10 UTC. The launch window ran from 20:01 to 20:25 UTC. It was China Aerospace Science and Technology Corporation's 520th launch, 19th this year and humanity's 6,937th orbital launch attempt. It was the 2nd Long March 5B/YZ-2 flight and the 1st this year. The payload was bound for Polar Orbit (PO). WHDW 03-01, one of 10 catalogued objects, reached a 1,104 × 1,121 km orbit inclined 86.5°. 10 objects from this launch are catalogued, all of them payloads.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Communications · Polar Orbit (PO)
- Milestone
- 2nd Long March 5B/YZ-2 flight · 1st this yearChina Aerospace Science and Technology Corporation's 520th launch19th this yearhumanity's 6,937th orbital launch attempt88th orbital launch attempt this year
Flight preview
Orbit: as tracked
WHDW 03-01 · NORAD 63687 · 2025-086 · Space-Track · tracking 1 of 10 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-086A
- Epoch
- 2025-04-29 01:19:48 UTC
- Mean motion
- 13.40988641 rev/day
- Eccentricity
- 0.0011546
- Inclination
- 86.5005°
- Ascending node
- 92.8074°
- Arg. of perigee
- 306.833°
- Mean anomaly
- 166.3656°
- Element set
- 999
- Rev at epoch
- 2
- B*
- 0
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
10 catalogued: 10 payloads; 10 still in orbit
- WHDW 03-01 · NORAD 63687 · in orbit
- WHDW 03-02 · NORAD 63688 · in orbit
- WHDW 03-03 · NORAD 63689 · in orbit
- WHDW 03-04 · NORAD 63690 · in orbit
- WHDW 03-05 · NORAD 63691 · in orbit
- WHDW 03-06 · NORAD 63692 · in orbit
- WHDW 03-07 · NORAD 63693 · in orbit
- WHDW 03-08 · NORAD 63694 · in orbit
- WHDW 03-09 · NORAD 63695 · in orbit
- WHDW 03-10 · NORAD 63696 · in orbit
Data from J. McDowell, planet4589.org
About this launch
A batch of 10 Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group. The constellation will eventually consists of 13000 satellites.
Pad
101, Wenchang Space Launch Site, People's Republic of China
14th launch from 101, 1st this year · 38th from Wenchang Space Launch Site, People's Republic of China
Local pad time at liftoff: Apr 29, 4:10 AM GMT+8, at night
18 launches from this pad · 75 from Wenchang Space Launch Site, People's Republic of China
133 days after the previous launch from this pad
All launches from Wenchang Space Launch Site, People's Republic of ChinaOpen in maps
Updates
Questions
When did SatNet LEO Group 03 launch?
SatNet LEO Group 03 launched on April 28, 2025 at 20:10 UTC. The launch window ran from 20:01 to 20:25 UTC.
Where can I watch SatNet LEO Group 03?
No webcast is on record for this launch.
What rocket launched SatNet LEO Group 03?
Long March 5B/YZ-2, flown by China Aerospace Science and Technology Corporation. Long March 5B/YZ-2 spec sheet
Where did SatNet LEO Group 03 launch from?
101, Wenchang Space Launch Site, People's Republic of China. Liftoff was Apr 29, 4:10 AM GMT+8 local time at the pad.
What orbit did SatNet LEO Group 03 reach?
WHDW 03-01, one of 10 catalogued objects, reached a 1,104 × 1,121 km orbit inclined 86.5°.
How many satellites did SatNet LEO Group 03 launch?
10 payloads from this launch are catalogued, 10 of them still in orbit (Data from J. McDowell, planet4589.org).