▸Orbital parameters

Orbit class	LEO
Inclination	87.9179°
Eccentricity	0.0001745
Period	109.2 min
Apogee	1,191 km
Perigee	1,188 km
Mean motion	13.18686451 rev/day
RAAN	331.6396°
Arg of perigee	103.0950°
Mean anomaly	257.0377°
B*	2.1733e-4
Rev at epoch	17,223

▸Two-line element set (TLE)

EPOCH Jul 6, 2026SOURCE CelesTrakDERIVED currentUPDATED Jul 7, 2026

1 55143U 23004D 26187.43650248 .00000099 00000-0 21733-3 0 9990

2 55143 87.9179 331.6396 0001745 103.0950 257.0377 13.18686451172236

▸ source OMM (JSON)

{
  "OBJECT_NAME": "ONEWEB-0543",
  "OBJECT_ID": "2023-004D",
  "EPOCH": "2026-07-06T10:28:33.814+00:00",
  "MEAN_MOTION": 13.18686451,
  "ECCENTRICITY": 0.0001745,
  "INCLINATION": 87.9179,
  "RA_OF_ASC_NODE": 331.6396,
  "ARG_OF_PERICENTER": 103.095,
  "MEAN_ANOMALY": 257.0377,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 55143,
  "REV_AT_EPOCH": 17223,
  "BSTAR": 0.00021733,
  "MEAN_MOTION_DOT": 9.9e-7,
  "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	ONEWEB-0543
Operator	OneWebHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United Kingdom
Launch date	Jan 10, 2023HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	148HIGHvia GCAT — Jonathan McDowell's General Catalog
Mission purpose	—
Object class	PAYLOADHIGH

▸Data quality

Score85 / 100

Claims7

Sources1

TLEavailable

▸Sources

GCAT — Jonathan McDowell's General CatalogCC BY 4.0planet4589.org

▸Actions

GET /api/v1/satellites/55143

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