BEIDOU-3S M1S is a payload in MEO orbit, operated by China National Space Administration, launched 2015.
| Orbit class | MEO |
| Inclination | 54.8493° |
| Eccentricity | 0.0002959 |
| Period | 773.1 min |
| Apogee | 21,534 km |
| Perigee | 21,517 km |
| Mean motion | 1.86254879 rev/day |
| RAAN | 301.3751° |
| Arg of perigee | 63.3379° |
| Mean anomaly | 296.7169° |
| B* | 0.0000e+0 |
| Rev at epoch | 7,448 |
1 40749U 15037B 26187.32170656 -.00000061 00000-0 00000-0 0 99922 40749 54.8493 301.3751 0002959 63.3379 296.7169 1.86254879 74488{
"OBJECT_NAME": "BEIDOU-3S M1S",
"OBJECT_ID": "2015-037B",
"EPOCH": "2026-07-06T07:43:15.447+00:00",
"MEAN_MOTION": 1.86254879,
"ECCENTRICITY": 0.0002959,
"INCLINATION": 54.8493,
"RA_OF_ASC_NODE": 301.3751,
"ARG_OF_PERICENTER": 63.3379,
"MEAN_ANOMALY": 296.7169,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 40749,
"REV_AT_EPOCH": 7448,
"BSTAR": 0,
"MEAN_MOTION_DOT": -6.1e-7,
"MEAN_MOTION_DDOT": 0
}Reconstructed from CelesTrak OMM mean-elements (element-set number is a placeholder). TLE/OMM data is approximate. Not for operational use or collision avoidance.
| Name | BEIDOU-3S M1S |
| Operator | |
| Country | China |
| Launch date | |
| Launch mass (kg) | |
| Mission purpose | — |
| Object class |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Orbital regime |
| Status |