NAVSTAR 84 (USA 545) is a payload in MEO orbit, operated by US Space Force Space Systems Command, launched 2025.
| Orbit class | MEO |
| Inclination | 55.2485° |
| Eccentricity | 0.0008335 |
| Period | 717.9 min |
| Apogee | 20,203 km |
| Perigee | 20,159 km |
| Mean motion | 2.00574675 rev/day |
| RAAN | 30.4032° |
| Arg of perigee | 339.8111° |
| Mean anomaly | 199.4440° |
| B* | 0.0000e+0 |
| Rev at epoch | 823 |
1 64202U 25116A 26186.28378066 -.00000058 00000-0 00000-0 0 99962 64202 55.2485 30.4032 0008335 339.8111 199.4440 2.00574675 8232{
"OBJECT_NAME": "NAVSTAR 84 (USA 545)",
"OBJECT_ID": "2025-116A",
"EPOCH": "2026-07-05T06:48:38.649+00:00",
"MEAN_MOTION": 2.00574675,
"ECCENTRICITY": 0.0008335,
"INCLINATION": 55.2485,
"RA_OF_ASC_NODE": 30.4032,
"ARG_OF_PERICENTER": 339.8111,
"MEAN_ANOMALY": 199.444,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 64202,
"REV_AT_EPOCH": 823,
"BSTAR": 0,
"MEAN_MOTION_DOT": -5.8e-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 84 (USA 545) |
| Operator | US Space Force Space Systems CommandHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree |
| Country | |
| Launch date | |
| Launch mass (kg) | 4352 |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Mission purpose | — |
| Object class |
| Orbital regime |
| Status |