TIANYI B is a payload in SSO orbit, operated by Southern U. of Science and Technology / Changsha Research Inst. Space Instrument Tech. Co. Ltd., launched 2025.
| Orbit class | SSO |
| Inclination | 97.3786° |
| Eccentricity | 0.0003586 |
| Period | 94.7 min |
| Apogee | 508 km |
| Perigee | 503 km |
| Mean motion | 15.20067709 rev/day |
| RAAN | 259.6238° |
| Arg of perigee | 108.6584° |
| Mean anomaly | 251.5041° |
| B* | 1.1703e-4 |
| Rev at epoch | 6,310 |
1 64049U 25103B 26188.18585184 .00002458 00000-0 11703-3 0 99932 64049 97.3786 259.6238 0003586 108.6584 251.5041 15.20067709 63109{
"OBJECT_NAME": "TIANYI B",
"OBJECT_ID": "2025-103B",
"EPOCH": "2026-07-07T04:27:37.599+00:00",
"MEAN_MOTION": 15.20067709,
"ECCENTRICITY": 0.0003586,
"INCLINATION": 97.3786,
"RA_OF_ASC_NODE": 259.6238,
"ARG_OF_PERICENTER": 108.6584,
"MEAN_ANOMALY": 251.5041,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 64049,
"REV_AT_EPOCH": 6310,
"BSTAR": 0.00011703,
"MEAN_MOTION_DOT": 0.00002458,
"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 | TIANYI B |
| Operator | Southern U. of Science and Technology / Changsha Research Inst. Space Instrument Tech. Co. Ltd.HIGHvia 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 |