TIANHUI 4A is a payload in LEO orbit, operated by State Surveying and Mapping Geographic Information Bureau, launched 2021.
| Orbit class | LEO |
| Inclination | 88.9730° |
| Eccentricity | 0.0008092 |
| Period | 93.1 min |
| Apogee | 432 km |
| Perigee | 421 km |
| Mean motion | 15.46784661 rev/day |
| RAAN | 319.8704° |
| Arg of perigee | 10.2842° |
| Mean anomaly | 349.8582° |
| B* | 1.5797e-4 |
| Rev at epoch | 25,296 |
1 50572U 21134A 26188.21987024 .00007951 00000-0 15797-3 0 99922 50572 88.9730 319.8704 0008092 10.2842 349.8582 15.46784661252965{
"OBJECT_NAME": "TIANHUI 4A",
"OBJECT_ID": "2021-134A",
"EPOCH": "2026-07-07T05:16:36.789+00:00",
"MEAN_MOTION": 15.46784661,
"ECCENTRICITY": 0.0008092,
"INCLINATION": 88.973,
"RA_OF_ASC_NODE": 319.8704,
"ARG_OF_PERICENTER": 10.2842,
"MEAN_ANOMALY": 349.8582,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 50572,
"REV_AT_EPOCH": 25296,
"BSTAR": 0.00015797,
"MEAN_MOTION_DOT": 0.00007951,
"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 | TIANHUI 4A |
| Operator | State Surveying and Mapping Geographic Information BureauHIGHvia GCAT — Jonathan McDowell's General Catalog |
| Country | China |
| 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 |