O3B FM4 is a payload in MEO orbit, operated by O3B Networks Ltd., launched 2013.
| Orbit class | MEO |
| Inclination | 0.0408° |
| Eccentricity | 0.0004964 |
| Period | 287.9 min |
| Apogee | 8,073 km |
| Perigee | 8,059 km |
| Mean motion | 5.00115310 rev/day |
| RAAN | 346.6199° |
| Arg of perigee | 104.2028° |
| Mean anomaly | 269.2346° |
| B* | 0.0000e+0 |
| Rev at epoch | 23,802 |
1 39189U 13031B 26187.94858773 -.00000010 00000-0 00000-0 0 99952 39189 0.0408 346.6199 0004964 104.2028 269.2346 5.00115310238025{
"OBJECT_NAME": "O3B FM4",
"OBJECT_ID": "2013-031B",
"EPOCH": "2026-07-06T22:45:57.98+00:00",
"MEAN_MOTION": 5.0011531,
"ECCENTRICITY": 0.0004964,
"INCLINATION": 0.0408,
"RA_OF_ASC_NODE": 346.6199,
"ARG_OF_PERICENTER": 104.2028,
"MEAN_ANOMALY": 269.2346,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 39189,
"REV_AT_EPOCH": 23802,
"BSTAR": 0,
"MEAN_MOTION_DOT": -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 | O3B FM4 |
| Operator | |
| Country | United Kingdom |
| 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 |