China Aerospace Science and Technology CorporationLong March 6ALaunch Complex 9A, Taiyuan Satellite Launch Center, People's Republic of China
SatNet LEO Group 04
Launched
June 5, 2025 · 20:45 UTC
Image: CCTV
Summary
SatNet LEO Group 04 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 June 5, 2025 at 20:45 UTC. The launch window ran from 20:36 to 20:56 UTC. It was China Aerospace Science and Technology Corporation's 527th launch, 26th this year and humanity's 6,974th orbital launch attempt. It was the 13th Long March 6A flight and the 4th this year. The payload was bound for Polar Orbit (PO). WHDW 04-01, one of 6 catalogued objects, reached a 1,004 × 1,016 km orbit inclined 86.5°. 6 objects from this launch are catalogued, 5 of them payloads.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Communications · Polar Orbit (PO)
- Milestone
- 13th Long March 6A flight · 4th this yearChina Aerospace Science and Technology Corporation's 527th launch26th this yearhumanity's 6,974th orbital launch attempt125th orbital launch attempt this year
Flight preview
Orbit: as tracked
WHDW 04-01 · NORAD 64283 · 2025-121 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-121A
- Epoch
- 2025-06-06 03:43:19 UTC
- Mean motion
- 13.69066881 rev/day
- Eccentricity
- 0.000872
- Inclination
- 86.4943°
- Ascending node
- 142.5333°
- Arg. of perigee
- 221.1499°
- Mean anomaly
- 250.651°
- Element set
- 999
- Rev at epoch
- 4
- 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
6 catalogued: 5 payloads, 1 rocket stage; 6 still in orbit
- WHDW 04-01 · NORAD 64283 · in orbit
- WHDW 04-02 · NORAD 64284 · in orbit
- WHDW 04-03 · NORAD 64285 · in orbit
- WHDW 04-04 · NORAD 64286 · in orbit
- WHDW 04-05 · NORAD 64287 · in orbit
CZ-6A Y8 Stage 2 · in orbit
Data from J. McDowell, planet4589.org
About this launch
A batch of 5 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

Launch Complex 9A, Taiyuan Satellite Launch Center, People's Republic of China
14th launch from Launch Complex 9A, 4th this year · 142nd from Taiyuan Satellite Launch Center, People's Republic of China
Local pad time at liftoff: Jun 6, 4:45 AM GMT+8, in twilight
29 launches from this pad · 162 from Taiyuan Satellite Launch Center, People's Republic of China
25 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; Launch vehicle and payload identities uncertain.
Cosmic_Penguin · 6/3/2025 · source
Questions
When did SatNet LEO Group 04 launch?
SatNet LEO Group 04 launched on June 5, 2025 at 20:45 UTC. The launch window ran from 20:36 to 20:56 UTC.
Where can I watch SatNet LEO Group 04?
No webcast is on record for this launch.
What rocket launched SatNet LEO Group 04?
Long March 6A, flown by China Aerospace Science and Technology Corporation. Long March 6A spec sheet
Where did SatNet LEO Group 04 launch from?
Launch Complex 9A, Taiyuan Satellite Launch Center, People's Republic of China. Liftoff was Jun 6, 4:45 AM GMT+8 local time at the pad.
What orbit did SatNet LEO Group 04 reach?
WHDW 04-01, one of 6 catalogued objects, reached a 1,004 × 1,016 km orbit inclined 86.5°.
How many satellites did SatNet LEO Group 04 launch?
5 payloads from this launch are catalogued, 5 of them still in orbit (Data from J. McDowell, planet4589.org).
