2021-091D is a payload in SSO orbit, operated by Shanghai Inst. of Satellite Engineering (509 Res.Inst.), launched 2021.
| Orbit class | SSO |
| Inclination | 97.4484° |
| Eccentricity | 0.0010063 |
| Period | 102.8 min |
| Apogee | 901 km |
| Perigee | 886 km |
| Mean motion | 14.00142802 rev/day |
| RAAN | 217.2855° |
| Arg of perigee | 274.9731° |
| Mean anomaly | 85.0290° |
| B* | 1.6994e-5 |
| Rev at epoch | 25,088 |
1 49318U 21091D 26188.20691156 -.00000007 00000-0 16994-4 0 99942 49318 97.4484 217.2855 0010063 274.9731 85.0290 14.00142802250885{
"OBJECT_NAME": "2021-091D",
"OBJECT_ID": "2021-091D",
"EPOCH": "2026-07-07T04:57:57.159+00:00",
"MEAN_MOTION": 14.00142802,
"ECCENTRICITY": 0.0010063,
"INCLINATION": 97.4484,
"RA_OF_ASC_NODE": 217.2855,
"ARG_OF_PERICENTER": 274.9731,
"MEAN_ANOMALY": 85.029,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 49318,
"REV_AT_EPOCH": 25088,
"BSTAR": 0.000016994,
"MEAN_MOTION_DOT": -7e-8,
"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 | 2021-091D |
| Operator | Shanghai Inst. of Satellite Engineering (509 Res.Inst.)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 |