NAVSTAR 78 (USA 293) is a payload in MEO orbit, operated by US Air Force Space and Missile Center, launched 2019.
| Orbit class | MEO |
| Inclination | 55.6268° |
| Eccentricity | 0.0063060 |
| Period | 718.0 min |
| Apogee | 20,349 km |
| Perigee | 20,014 km |
| Mean motion | 2.00570005 rev/day |
| RAAN | 330.3626° |
| Arg of perigee | 197.9974° |
| Mean anomaly | 344.1800° |
| B* | 0.0000e+0 |
| Rev at epoch | 5,046 |
1 44506U 19056A 26187.84559654 -.00000070 00000-0 00000-0 0 99982 44506 55.6268 330.3626 0063060 197.9974 344.1800 2.00570005 50461{
"OBJECT_NAME": "NAVSTAR 78 (USA 293)",
"OBJECT_ID": "2019-056A",
"EPOCH": "2026-07-06T20:17:39.541+00:00",
"MEAN_MOTION": 2.00570005,
"ECCENTRICITY": 0.006306,
"INCLINATION": 55.6268,
"RA_OF_ASC_NODE": 330.3626,
"ARG_OF_PERICENTER": 197.9974,
"MEAN_ANOMALY": 344.18,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 44506,
"REV_AT_EPOCH": 5046,
"BSTAR": 0,
"MEAN_MOTION_DOT": -7e-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 78 (USA 293) |
| Operator | US Air Force Space and Missile CenterHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree |
| Country | |
| Launch date | |
| Launch mass (kg) | 4400 |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Mission purpose | — |
| Object class |
| Orbital regime |
| Status |