AEHF-4 (USA 288) is a payload in GEO orbit, operated by US Air Force Military Satellite Communications Wing, AFSMC, LAAFB, launched 2018.
| Orbit class | GEO |
| Inclination | 1.4383° |
| Eccentricity | 0.0059578 |
| Period | 1436.2 min |
| Apogee | 36,040 km |
| Perigee | 35,537 km |
| Mean motion | 1.00265623 rev/day |
| RAAN | 5.5705° |
| Arg of perigee | 354.9961° |
| Mean anomaly | 238.4779° |
| B* | 0.0000e+0 |
| Rev at epoch | 2,849 |
1 43651U 18079A 26188.06022911 -.00000260 00000-0 00000-0 0 99992 43651 1.4383 5.5705 0059578 354.9961 238.4779 1.00265623 28491{
"OBJECT_NAME": "AEHF-4 (USA 288)",
"OBJECT_ID": "2018-079A",
"EPOCH": "2026-07-07T01:26:43.795+00:00",
"MEAN_MOTION": 1.00265623,
"ECCENTRICITY": 0.0059578,
"INCLINATION": 1.4383,
"RA_OF_ASC_NODE": 5.5705,
"ARG_OF_PERICENTER": 354.9961,
"MEAN_ANOMALY": 238.4779,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 43651,
"REV_AT_EPOCH": 2849,
"BSTAR": 0,
"MEAN_MOTION_DOT": -0.0000026,
"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 | AEHF-4 (USA 288) |
| Operator | US Air Force Military Satellite Communications Wing, AFSMC, LAAFBHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree |
| Country | United States |
| Launch date | |
| Launch mass (kg) |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Mission purpose | — |
| Object class |
| Orbital regime |
| Status |