INMARSAT 4-F2 is a payload in GEO orbit, operated by International Maritime Satellite Organization Ltd,, launched 2005.
| Orbit class | GEO |
| Inclination | 5.1182° |
| Eccentricity | 0.0003083 |
| Period | 1436.1 min |
| Apogee | 35,800 km |
| Perigee | 35,774 km |
| Mean motion | 1.00271325 rev/day |
| RAAN | 43.6509° |
| Arg of perigee | 53.4955° |
| Mean anomaly | 136.5803° |
| B* | 0.0000e+0 |
| Rev at epoch | 7,571 |
1 28899U 05044A 26187.46055828 -.00000249 00000-0 00000-0 0 99972 28899 5.1182 43.6509 0003083 53.4955 136.5803 1.00271325 75714{
"OBJECT_NAME": "INMARSAT 4-F2",
"OBJECT_ID": "2005-044A",
"EPOCH": "2026-07-06T11:03:12.235+00:00",
"MEAN_MOTION": 1.00271325,
"ECCENTRICITY": 0.0003083,
"INCLINATION": 5.1182,
"RA_OF_ASC_NODE": 43.6509,
"ARG_OF_PERICENTER": 53.4955,
"MEAN_ANOMALY": 136.5803,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 28899,
"REV_AT_EPOCH": 7571,
"BSTAR": 0,
"MEAN_MOTION_DOT": -0.00000249,
"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 | INMARSAT 4-F2 |
| Operator | International Maritime Satellite Organization Ltd,HIGHvia GCAT — Jonathan McDowell's General Catalog |
| Country | United Kingdom |
| Launch date | |
| Launch mass (kg) | |
| Mission purpose | — |
| Object class | PAYLOADHIGH |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Orbital regime |
| Status |