KEPLER-21 is a payload in SSO orbit, operated by Kepler Communications Inc., launched 2023.
| Orbit class | SSO |
| Inclination | 97.2776° |
| Eccentricity | 0.0007674 |
| Period | 88.7 min |
| Apogee | 215 km |
| Perigee | 205 km |
| Mean motion | 16.23659537 rev/day |
| RAAN | 109.8411° |
| Arg of perigee | 188.7737° |
| Mean anomaly | 171.3421° |
| B* | 5.6723e-4 |
| Rev at epoch | 18,236 |
1 56218U 23054AS 26187.72861925 .01427654 23843-5 56723-3 0 99902 56218 97.2776 109.8411 0007674 188.7737 171.3421 16.23659537182367{
"OBJECT_NAME": "KEPLER-21",
"OBJECT_ID": "2023-054AS",
"EPOCH": "2026-07-06T17:29:12.703+00:00",
"MEAN_MOTION": 16.23659537,
"ECCENTRICITY": 0.0007674,
"INCLINATION": 97.2776,
"RA_OF_ASC_NODE": 109.8411,
"ARG_OF_PERICENTER": 188.7737,
"MEAN_ANOMALY": 171.3421,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 56218,
"REV_AT_EPOCH": 18236,
"BSTAR": 0.00056723,
"MEAN_MOTION_DOT": 0.01427654,
"MEAN_MOTION_DDOT": 0.0000023843
}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 | KEPLER-21 |
| Operator | |
| Country | Canada |
| 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 |