USA 157 (MILSTAR-2 2) is a payload in GEO orbit, operated by US Air Force Space and Missile Center, launched 2001.
| Orbit class | GEO |
| Inclination | 11.5634° |
| Eccentricity | 0.0040421 |
| Period | 1436.1 min |
| Apogee | 35,957 km |
| Perigee | 35,616 km |
| Mean motion | 1.00271177 rev/day |
| RAAN | 19.6321° |
| Arg of perigee | 178.7273° |
| Mean anomaly | 12.3402° |
| B* | 0.0000e+0 |
| Rev at epoch | 3,314 |
1 26715U 01009A 26188.21004411 .00000117 00000-0 00000-0 0 99982 26715 11.5634 19.6321 0040421 178.7273 12.3402 1.00271177 33140{
"OBJECT_NAME": "USA 157 (MILSTAR-2 2)",
"OBJECT_ID": "2001-009A",
"EPOCH": "2026-07-07T05:02:27.811+00:00",
"MEAN_MOTION": 1.00271177,
"ECCENTRICITY": 0.0040421,
"INCLINATION": 11.5634,
"RA_OF_ASC_NODE": 19.6321,
"ARG_OF_PERICENTER": 178.7273,
"MEAN_ANOMALY": 12.3402,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 26715,
"REV_AT_EPOCH": 3314,
"BSTAR": 0,
"MEAN_MOTION_DOT": 0.00000117,
"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 | USA 157 (MILSTAR-2 2) |
| Operator | |
| Country | United States |
| Launch date | |
| Launch mass (kg) | |
| Mission purpose | — |
| Object class | PAYLOADHIGH |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Orbital regime |
| Status |