China Aerospace Science and Technology CorporationLong March 3B/YZ-1Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
Beidou-3 M25 & M27
Launched
September 19, 2024 · 01:14 UTC
Summary
Beidou-3 M25 & M27 launched on a China Aerospace Science and Technology Corporation Long March 3B/YZ-1 from Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China on September 19, 2024 at 01:14 UTC. The launch window ran from 00:54 to 01:30 UTC. It was China Aerospace Science and Technology Corporation's 482nd launch, 30th this year and humanity's 6,761st orbital launch attempt. It was the 15th Long March 3B/YZ-1 flight and the 1st this year. The payload was bound for Medium Earth Orbit (MEO). Beidou DW 59, one of 4 catalogued objects, reached a 21,545 × 22,206 km orbit inclined 55.0°. 4 objects from this launch are catalogued, 2 of them payloads.
- Watch
- 微博直播Weibo
- Booster
- No booster details on record.
- Mission
- Navigation · Medium Earth Orbit (MEO)
- Milestone
- 15th Long March 3B/YZ-1 flight · 1st this yearChina Aerospace Science and Technology Corporation's 482nd launch30th this yearhumanity's 6,761st orbital launch attempt172nd orbital launch attempt this year
Flight preview
Orbit: as tracked
Beidou DW 59 · NORAD 61186 · 2024-168 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2024-168B
- Epoch
- 2024-09-19 08:23:00 UTC
- Mean motion
- 1.82874322 rev/day
- Eccentricity
- 0.0117073
- Inclination
- 55.0104°
- Ascending node
- 324.2123°
- Arg. of perigee
- 175.1565°
- Mean anomaly
- 278.302°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: MEO. Ascent drawn from padside's representative profile.
Catalogued objects
4 catalogued: 2 payloads, 2 rocket stages; 3 still in orbit
- Beidou DW 59 · NORAD 61186 · in orbit
- Beidou DW 60 · NORAD 61187 · in orbit
Yuanzheng-1 Y17 · in orbit
CZ-3B Y80 Stage 3 · re-entered September 19, 2025
Data from J. McDowell, planet4589.org
About this launch
These two satellites will be used to provide global navigation coverage as part of the Chinese Beidou (Compass) satellite navigation system.
Pad

Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
112th launch from Launch Complex 2 (LC-2), 5th this year · 211th from Xichang Satellite Launch Center, People's Republic of China
Local pad time at liftoff: Sep 19, 9:14 AM GMT+8, in daylight
126 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
48 days after the previous launch from this pad
All launches from Xichang Satellite Launch Center, People's Republic of ChinaOpen in maps
Updates
Questions
When did Beidou-3 M25 & M27 launch?
Beidou-3 M25 & M27 launched on September 19, 2024 at 01:14 UTC. The launch window ran from 00:54 to 01:30 UTC.
Where can I watch Beidou-3 M25 & M27?
Coverage: 微博直播. Watch the replay
What rocket launched Beidou-3 M25 & M27?
Long March 3B/YZ-1, flown by China Aerospace Science and Technology Corporation. Long March 3B/YZ-1 spec sheet
Where did Beidou-3 M25 & M27 launch from?
Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China. Liftoff was Sep 19, 9:14 AM GMT+8 local time at the pad.
What orbit did Beidou-3 M25 & M27 reach?
Beidou DW 59, one of 4 catalogued objects, reached a 21,545 × 22,206 km orbit inclined 55.0°.
How many satellites did Beidou-3 M25 & M27 launch?
2 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Long March 3B/YZ-1 | Beidou-3 M25 & M26 - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Flong2520march_image_20231226100006.jpeg&w=1600)