▸Orbital parameters

Orbit class	LEO
Inclination	87.7455°
Eccentricity	0.0002621
Period	94.2 min
Apogee	482 km
Perigee	478 km
Mean motion	15.28681385 rev/day
RAAN	336.2468°
Arg of perigee	80.1013°
Mean anomaly	280.0532°
B*	1.0690e-4
Rev at epoch	68,629

▸Two-line element set (TLE)

EPOCH Jul 7, 2026SOURCE CelesTrakDERIVED currentUPDATED Jul 7, 2026

1 39451U 13067A 26188.16596014 .00003014 00000-0 10690-3 0 9993

2 39451 87.7455 336.2468 0002621 80.1013 280.0532 15.28681385686294

▸ source OMM (JSON)

{
  "OBJECT_NAME": "SWARM B",
  "OBJECT_ID": "2013-067A",
  "EPOCH": "2026-07-07T03:58:58.956+00:00",
  "MEAN_MOTION": 15.28681385,
  "ECCENTRICITY": 0.0002621,
  "INCLINATION": 87.7455,
  "RA_OF_ASC_NODE": 336.2468,
  "ARG_OF_PERICENTER": 80.1013,
  "MEAN_ANOMALY": 280.0532,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 39451,
  "REV_AT_EPOCH": 68629,
  "BSTAR": 0.0001069,
  "MEAN_MOTION_DOT": 0.00003014,
  "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.

▸Satellite metadata

Name	SWARM B
Operator	European Space AgencyHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	ESA
Launch date	Nov 22, 2013HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	473HIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree 468MEDIUMvia Wikidata

▸Data quality

Score90 / 100

Claims8

Sources2

TLEavailable

▸Sources

GCAT — Jonathan McDowell's General CatalogCC BY 4.0planet4589.org
WikidataCC0 1.0query.wikidata.org

▸Actions

GET /api/v1/satellites/39451

//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.