YAOGAN-39 04B is a payload in LEO orbit, operated by General Armaments Dept. of the PLA, launched 2023.
| Orbit class | LEO |
| Inclination | 34.9929° |
| Eccentricity | 0.0002718 |
| Period | 94.9 min |
| Apogee | 514 km |
| Perigee | 510 km |
| Mean motion | 15.17943662 rev/day |
| RAAN | 244.0365° |
| Arg of perigee | 76.0261° |
| Mean anomaly | 284.0754° |
| B* | 1.6186e-4 |
| Rev at epoch | 15,035 |
1 58143U 23163C 26188.18921034 .00003329 00000-0 16186-3 0 99912 58143 34.9929 244.0365 0002718 76.0261 284.0754 15.17943662150351{
"OBJECT_NAME": "YAOGAN-39 04B",
"OBJECT_ID": "2023-163C",
"EPOCH": "2026-07-07T04:32:27.773+00:00",
"MEAN_MOTION": 15.17943662,
"ECCENTRICITY": 0.0002718,
"INCLINATION": 34.9929,
"RA_OF_ASC_NODE": 244.0365,
"ARG_OF_PERICENTER": 76.0261,
"MEAN_ANOMALY": 284.0754,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 58143,
"REV_AT_EPOCH": 15035,
"BSTAR": 0.00016186,
"MEAN_MOTION_DOT": 0.00003329,
"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 | YAOGAN-39 04B |
| Operator | |
| Country | China |
| Launch date | |
| Launch mass (kg) | |
| Mission purpose | — |
| Object class |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Orbital regime |
| Status |