SHIYAN-19 (SY-19) is a payload in SSO orbit, operated by Shanghai Academy of Space Technology (CASC 8th Acad), launched 2023.
| Orbit class | SSO |
| Inclination | 97.3906° |
| Eccentricity | 0.0003291 |
| Period | 92.5 min |
| Apogee | 397 km |
| Perigee | 393 km |
| Mean motion | 15.57429906 rev/day |
| RAAN | 45.2482° |
| Arg of perigee | 268.6121° |
| Mean anomaly | 91.4758° |
| B* | 2.1783e-4 |
| Rev at epoch | 18,567 |
1 55861U 23034A 26188.16454399 .00015878 00000-0 21783-3 0 99962 55861 97.3906 45.2482 0003291 268.6121 91.4758 15.57429906185676{
"OBJECT_NAME": "SHIYAN-19 (SY-19)",
"OBJECT_ID": "2023-034A",
"EPOCH": "2026-07-07T03:56:56.601+00:00",
"MEAN_MOTION": 15.57429906,
"ECCENTRICITY": 0.0003291,
"INCLINATION": 97.3906,
"RA_OF_ASC_NODE": 45.2482,
"ARG_OF_PERICENTER": 268.6121,
"MEAN_ANOMALY": 91.4758,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 55861,
"REV_AT_EPOCH": 18567,
"BSTAR": 0.00021783,
"MEAN_MOTION_DOT": 0.00015878,
"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 | SHIYAN-19 (SY-19) |
| Operator | Shanghai Academy of Space Technology (CASC 8th Acad)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 |