NAVSTAR 73 (USA 260) is a payload in MEO orbit, operated by US Air Force Space and Missile Center, launched 2015.
| Orbit class | MEO |
| Inclination | 53.1668° |
| Eccentricity | 0.0110070 |
| Period | 718.0 min |
| Apogee | 20,476 km |
| Perigee | 19,891 km |
| Mean motion | 2.00550184 rev/day |
| RAAN | 203.3578° |
| Arg of perigee | 40.3021° |
| Mean anomaly | 320.5512° |
| B* | 0.0000e+0 |
| Rev at epoch | 8,222 |
1 40534U 15013A 26188.00668178 .00000101 00000-0 00000-0 0 99992 40534 53.1668 203.3578 0110070 40.3021 320.5512 2.00550184 82221{
"OBJECT_NAME": "NAVSTAR 73 (USA 260)",
"OBJECT_ID": "2015-013A",
"EPOCH": "2026-07-07T00:09:37.306+00:00",
"MEAN_MOTION": 2.00550184,
"ECCENTRICITY": 0.011007,
"INCLINATION": 53.1668,
"RA_OF_ASC_NODE": 203.3578,
"ARG_OF_PERICENTER": 40.3021,
"MEAN_ANOMALY": 320.5512,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 40534,
"REV_AT_EPOCH": 8222,
"BSTAR": 0,
"MEAN_MOTION_DOT": 0.00000101,
"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 73 (USA 260) |
| Operator | US Air Force Space and Missile CenterHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree |
| Country | |
| Launch date | |
| Launch mass (kg) | 1630 |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Mission purpose | — |
| Object class |
| Orbital regime |
| Status |