BIRKELAND is a payload in SSO orbit, operated by National Aerospace Lab / Norwegian Defense Research Establishment, launched 2023.
| Orbit class | SSO |
| Inclination | 97.3333° |
| Eccentricity | 0.0007275 |
| Period | 93.5 min |
| Apogee | 450 km |
| Perigee | 440 km |
| Mean motion | 15.40443475 rev/day |
| RAAN | 256.1807° |
| Arg of perigee | 47.1485° |
| Mean anomaly | 313.0371° |
| B* | 1.6644e-4 |
| Rev at epoch | 19,542 |
1 55015U 23001G 26188.15629668 .00006658 00000-0 16644-3 0 99992 55015 97.3333 256.1807 0007275 47.1485 313.0371 15.40443475195421{
"OBJECT_NAME": "BIRKELAND",
"OBJECT_ID": "2023-001G",
"EPOCH": "2026-07-07T03:45:04.033+00:00",
"MEAN_MOTION": 15.40443475,
"ECCENTRICITY": 0.0007275,
"INCLINATION": 97.3333,
"RA_OF_ASC_NODE": 256.1807,
"ARG_OF_PERICENTER": 47.1485,
"MEAN_ANOMALY": 313.0371,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 55015,
"REV_AT_EPOCH": 19542,
"BSTAR": 0.00016644,
"MEAN_MOTION_DOT": 0.00006658,
"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 | BIRKELAND |
| Operator | National Aerospace Lab / Norwegian Defense Research EstablishmentHIGHvia GCAT — Jonathan McDowell's General Catalog |
| Country | Netherlands |
| 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 |