NAVSTAR 46 (USA 145) is a payload in MEO orbit, operated by US Air Force Space and Missile Center, launched 1999.
| Orbit class | MEO |
| Inclination | 51.4449° |
| Eccentricity | 0.0106472 |
| Period | 718.0 min |
| Apogee | 20,465 km |
| Perigee | 19,900 km |
| Mean motion | 2.00561244 rev/day |
| RAAN | 294.6131° |
| Arg of perigee | 176.6186° |
| Mean anomaly | 182.7670° |
| B* | 0.0000e+0 |
| Rev at epoch | 19,596 |
1 25933U 99055A 26187.73879398 -.00000054 00000-0 00000-0 0 99982 25933 51.4449 294.6131 0106472 176.6186 182.7670 2.00561244195967{
"OBJECT_NAME": "NAVSTAR 46 (USA 145)",
"OBJECT_ID": "1999-055A",
"EPOCH": "2026-07-06T17:43:51.8+00:00",
"MEAN_MOTION": 2.00561244,
"ECCENTRICITY": 0.0106472,
"INCLINATION": 51.4449,
"RA_OF_ASC_NODE": 294.6131,
"ARG_OF_PERICENTER": 176.6186,
"MEAN_ANOMALY": 182.767,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 25933,
"REV_AT_EPOCH": 19596,
"BSTAR": 0,
"MEAN_MOTION_DOT": -5.4e-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 | NAVSTAR 46 (USA 145) |
| Operator | US Air Force Space and Missile CenterHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree |
| Country | |
| Launch date | |
| Launch mass (kg) | 1077HIGH |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Mission purpose | — |
| Object class |
| Orbital regime |
| Status |