IXPE is a payload in LEO orbit, operated by NASA Marshall Space Flight Center, launched 2021.
| Orbit class | LEO |
| Inclination | 0.2280° |
| Eccentricity | 0.0007087 |
| Period | 95.3 min |
| Apogee | 540 km |
| Perigee | 530 km |
| Mean motion | 15.10443345 rev/day |
| RAAN | 166.1956° |
| Arg of perigee | 24.2714° |
| Mean anomaly | 145.4114° |
| B* | 5.2475e-4 |
| Rev at epoch | 572 |
1 49954U 21121A 26188.16670139 .00009825 00000-0 52475-3 0 99962 49954 0.2280 166.1956 0007087 24.2714 145.4114 15.10443345 5725{
"OBJECT_NAME": "IXPE",
"OBJECT_ID": "2021-121A",
"EPOCH": "2026-07-07T04:00:03+00:00",
"MEAN_MOTION": 15.10443345,
"ECCENTRICITY": 0.0007087,
"INCLINATION": 0.228,
"RA_OF_ASC_NODE": 166.1956,
"ARG_OF_PERICENTER": 24.2714,
"MEAN_ANOMALY": 145.4114,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 49954,
"REV_AT_EPOCH": 572,
"BSTAR": 0.00052475,
"MEAN_MOTION_DOT": 0.00009825,
"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 | IXPE |
| Operator | NASA Marshall Space Flight CenterHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree |
| Country | |
| Launch date | |
| Launch mass (kg) | 330HIGH |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Mission purpose |
| Object class |
| Orbital regime |
| Status |