China Aerospace Science and Technology CorporationLong March 3B/YZ-1Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
BDS M1-S & BDS M2-S
Launched
July 25, 2015
Summary
BDS-3 M1 & BDS-3 M2 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 July 25, 2015. It was China Aerospace Science and Technology Corporation's 152nd launch, 3rd this year and humanity's 5,482nd orbital launch attempt. It was the 1st Long March 3B/YZ-1 flight. The payload was bound for Medium Earth Orbit (MEO). Beidou DW 19, one of 4 catalogued objects, reached a 21,530 × 22,201 km orbit inclined 55.0°. 4 objects from this launch are catalogued, 2 of them payloads.
- Booster
- No booster details on record.
- Mission
- Communications · Medium Earth Orbit (MEO)
- Milestone
- 1st Long March 3B/YZ-1 flightChina Aerospace Science and Technology Corporation's 152nd launch3rd this yearhumanity's 5,482nd orbital launch attempt40th orbital launch attempt this year
Flight preview
Orbit: as tracked
Beidou DW 19 · NORAD 40748 · 2015-037 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2015-037A
- Epoch
- 2015-07-25 20:12:18 UTC
- Mean motion
- 1.82971706 rev/day
- Eccentricity
- 0.0118694
- Inclination
- 54.976°
- Ascending node
- 77.2833°
- Arg. of perigee
- 177.0235°
- Mean anomaly
- 292.6697°
- Element set
- 999
- Rev at epoch
- 1
- 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 19 · NORAD 40748 · in orbit
- Beidou DW 18 · NORAD 40749 · in orbit
CZ-3B Y26 Stage 3 · re-entered April 7, 2026
Yuanzheng-1 Y2 · in orbit
Data from J. McDowell, planet4589.org
About this launch
The BeiDou Navigation Satellite System will be a global satellite navigation system consisting of 35 satellites. Resolution of the BeiDou system has been reported to be as high as 0.5 metres.
Pad

Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China
59th launch from Launch Complex 2 (LC-2), 2nd this year · 86th from Xichang Satellite Launch Center, People's Republic of China
126 launches from this pad · 242 from Xichang Satellite Launch Center, People's Republic of China
116 days after the previous launch from this pad
All launches from Xichang Satellite Launch Center, People's Republic of ChinaOpen in maps
Questions
When did BDS-3 M1 & BDS-3 M2 launch?
BDS-3 M1 & BDS-3 M2 launched on July 25, 2015. The time is known to the hour, not the minute.
Where can I watch BDS-3 M1 & BDS-3 M2?
Coverage: China launches two satellites as it builds GPS rival. Watch the replay
What rocket launched BDS-3 M1 & BDS-3 M2?
Long March 3B/YZ-1, flown by China Aerospace Science and Technology Corporation. Long March 3B/YZ-1 spec sheet
Where did BDS-3 M1 & BDS-3 M2 launch from?
Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China.
What orbit did BDS-3 M1 & BDS-3 M2 reach?
Beidou DW 19, one of 4 catalogued objects, reached a 21,530 × 22,201 km orbit inclined 55.0°.
How many satellites did BDS-3 M1 & BDS-3 M2 launch?
2 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is BDS-3 M1 & BDS-3 M2 part of?
BeiDou. About BeiDou
![[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)