USA 149 (DSP 20) is a payload in GEO orbit, operated by US Air Force Space and Missile Center, launched 2000.
| Orbit class | GEO |
| Inclination | 13.1846° |
| Eccentricity | 0.0001417 |
| Period | 1435.9 min |
| Apogee | 35,789 km |
| Perigee | 35,777 km |
| Mean motion | 1.00283502 rev/day |
| RAAN | 11.7035° |
| Arg of perigee | 300.5240° |
| Mean anomaly | 220.4205° |
| B* | 0.0000e+0 |
| Rev at epoch | 3,311 |
1 26356U 00024A 26188.14555499 .00000103 00000-0 00000-0 0 99992 26356 13.1846 11.7035 0001417 300.5240 220.4205 1.00283502 33115{
"OBJECT_NAME": "USA 149 (DSP 20)",
"OBJECT_ID": "2000-024A",
"EPOCH": "2026-07-07T03:29:35.951+00:00",
"MEAN_MOTION": 1.00283502,
"ECCENTRICITY": 0.0001417,
"INCLINATION": 13.1846,
"RA_OF_ASC_NODE": 11.7035,
"ARG_OF_PERICENTER": 300.524,
"MEAN_ANOMALY": 220.4205,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 26356,
"REV_AT_EPOCH": 3311,
"BSTAR": 0,
"MEAN_MOTION_DOT": 0.00000103,
"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 149 (DSP 20) |
| Operator | |
| Country | |
| Launch date | |
| Launch mass (kg) | |
| Mission purpose | — |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Orbital regime |
| Status |