USA 169 (MILSTAR-2 4) is a payload in GEO orbit, operated by US Air Force Space and Missile Center, launched 2003.
| Orbit class | GEO |
| Inclination | 12.3775° |
| Eccentricity | 0.0099812 |
| Period | 1436.1 min |
| Apogee | 36,208 km |
| Perigee | 35,366 km |
| Mean motion | 1.00270139 rev/day |
| RAAN | 29.6750° |
| Arg of perigee | 10.0702° |
| Mean anomaly | 357.6480° |
| B* | 0.0000e+0 |
| Rev at epoch | 3,315 |
1 27711U 03012A 26187.89000346 -.00000189 00000-0 00000-0 0 99972 27711 12.3775 29.6750 0099812 10.0702 357.6480 1.00270139 33151{
"OBJECT_NAME": "USA 169 (MILSTAR-2 4)",
"OBJECT_ID": "2003-012A",
"EPOCH": "2026-07-06T21:21:36.299+00:00",
"MEAN_MOTION": 1.00270139,
"ECCENTRICITY": 0.0099812,
"INCLINATION": 12.3775,
"RA_OF_ASC_NODE": 29.675,
"ARG_OF_PERICENTER": 10.0702,
"MEAN_ANOMALY": 357.648,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 27711,
"REV_AT_EPOCH": 3315,
"BSTAR": 0,
"MEAN_MOTION_DOT": -0.00000189,
"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 169 (MILSTAR-2 4) |
| 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 |