BEIDOU-3S M2S

NavigationMilitaryMEOChina

BEIDOU-3S M2S is a navigation satellite, with ownership listed as China in CelesTrak's catalogue, currently in medium Earth orbit near 21,501 km. It completes one orbit of Earth roughly every 773 minutes at an inclination of 54.8°. It was launched in 2015. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID: 40748
COSPAR ID: 2015-037A
Type: Navigation
Orbit: MEO
Perigee (lowest): 21,501 km
Apogee (highest): 21,569 km
Inclination: 54.76°
Orbital period: 773 min
Launch year: 2015
Owner (CelesTrak): China

Orbital data updated: 2026-10-18 · from CelesTrak, refreshed every 2 hours.

Who operates it

ChinaLIVEActive

Navigation

GCAT lists it as Beidou DW 19.

Independent assessment

GCAT classes it as a military satellite for navigation and records it as active (17 Oct 2026).

Data: GCAT · CC BY 4.0 Class, mission and status adapted from GCAT by Jonathan McDowell, CC BY 4.0, data update 17 Oct 2026.

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About MEO orbit

Medium Earth Orbit. Between 2,000 and 35,786 km. Home to navigation constellations like GPS (~20,200 km), Galileo, and BeiDou. Orbital period 2 to 24 hours.