Z-SAT is a payload in SSO orbit, operated by MHI Guidance and Propulsion (Meiyo), launched 2021.
| Orbit class | SSO |
| Inclination | 97.3316° |
| Eccentricity | 0.0016840 |
| Period | 94.8 min |
| Apogee | 522 km |
| Perigee | 499 km |
| Mean motion | 15.18424581 rev/day |
| RAAN | 222.8834° |
| Arg of perigee | 171.7273° |
| Mean anomaly | 188.4242° |
| B* | 2.3228e-4 |
| Rev at epoch | 25,647 |
1 49399U 21102E 26188.16683589 .00004731 00000-0 23228-3 0 99962 49399 97.3316 222.8834 0016840 171.7273 188.4242 15.18424581256473{
"OBJECT_NAME": "Z-SAT",
"OBJECT_ID": "2021-102E",
"EPOCH": "2026-07-07T04:00:14.621+00:00",
"MEAN_MOTION": 15.18424581,
"ECCENTRICITY": 0.001684,
"INCLINATION": 97.3316,
"RA_OF_ASC_NODE": 222.8834,
"ARG_OF_PERICENTER": 171.7273,
"MEAN_ANOMALY": 188.4242,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 49399,
"REV_AT_EPOCH": 25647,
"BSTAR": 0.00023228,
"MEAN_MOTION_DOT": 0.00004731,
"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 | Z-SAT |
| Operator | |
| Country | Japan |
| 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 |