China Aerospace Science and Technology CorporationLong March 3BLaunch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
Beidou-3 G4
Launched
May 17, 2023 · 02:49 UTC

Image: China Pictorial/Wanquan
Summary
Beidou-3 G4 launched on a China Aerospace Science and Technology Corporation Long March 3B from Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China on May 17, 2023 at 02:49 UTC. The launch window ran from 02:39 to 03:33 UTC. It was China Aerospace Science and Technology Corporation's 420th launch, 15th this year and humanity's 6,439th orbital launch attempt. It was the 24th Long March 3B flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). Beidou DW 56, one of 2 catalogued objects, reached a 205 × 35,830 km orbit inclined 28.4°. 2 objects from this launch are catalogued, one of them a payload.
- Booster
- No booster details on record.
- Mission
- Navigation · Geostationary Transfer Orbit (GTO)
- Milestone
- 24th Long March 3B flight · 1st this yearChina Aerospace Science and Technology Corporation's 420th launch15th this yearhumanity's 6,439th orbital launch attempt71st orbital launch attempt this year
Flight preview
Orbit: as tracked
Beidou DW 56 · NORAD 56564 · 2023-066 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2023-066A
- Epoch
- 2023-05-17 05:53:56 UTC
- Mean motion
- 2.27944191 rev/day
- Eccentricity
- 0.7303607
- Inclination
- 28.4164°
- Ascending node
- 274.0109°
- Arg. of perigee
- 179.7725°
- Mean anomaly
- 92.0607°
- 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: GTO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- Beidou DW 56 · NORAD 56564 · in orbit
CZ-3B Y87 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
This satellite is a part of the geostationary component of the 3rd phase of the Chinese Beidou (Compass) satellite navigation system. It features a phased array antenna for navigation signals and a laser retroreflector and additionally deployable S/L-band and C-band antennas.
Pad

Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
104th launch from Launch Complex 2 (LC-2), 3rd this year · 187th from Xichang Satellite Launch Center, People's Republic of China
Local pad time at liftoff: May 17, 10:49 AM GMT+8, in daylight
126 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
60 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 identity not confirmed.
Cosmic_Penguin · 5/15/2023 · source
Questions
When did Beidou-3 G4 launch?
Beidou-3 G4 launched on May 17, 2023 at 02:49 UTC. The launch window ran from 02:39 to 03:33 UTC.
Where can I watch Beidou-3 G4?
Coverage: Long March-3B launches the first BeiDou-3 backup satellite. Watch the replay
What rocket launched Beidou-3 G4?
Long March 3B, flown by China Aerospace Science and Technology Corporation. Long March 3B spec sheet
Where did Beidou-3 G4 launch from?
Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China. Liftoff was May 17, 10:49 AM GMT+8 local time at the pad.
What orbit did Beidou-3 G4 reach?
Beidou DW 56, one of 2 catalogued objects, reached a 205 × 35,830 km orbit inclined 28.4°.
How many satellites did Beidou-3 G4 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
Which program is Beidou-3 G4 part of?
BeiDou. About BeiDou
