▸Orbital parameters

Orbit class	LEO
Inclination	87.9195°
Eccentricity	0.0001774
Period	109.1 min
Apogee	1,187 km
Perigee	1,184 km
Mean motion	13.19726435 rev/day
RAAN	301.0454°
Arg of perigee	96.0465°
Mean anomaly	264.0870°
B*	-1.2226e-4
Rev at epoch	17,941

▸Two-line element set (TLE)

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

1 54121U 22138J 26187.85327115 -.00000036 00000-0 -12226-3 0 9992

2 54121 87.9195 301.0454 0001774 96.0465 264.0870 13.19726435179410

▸ source OMM (JSON)

{
  "OBJECT_NAME": "ONEWEB-0503",
  "OBJECT_ID": "2022-138J",
  "EPOCH": "2026-07-06T20:28:42.627+00:00",
  "MEAN_MOTION": 13.19726435,
  "ECCENTRICITY": 0.0001774,
  "INCLINATION": 87.9195,
  "RA_OF_ASC_NODE": 301.0454,
  "ARG_OF_PERICENTER": 96.0465,
  "MEAN_ANOMALY": 264.087,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 54121,
  "REV_AT_EPOCH": 17941,
  "BSTAR": -0.00012226,
  "MEAN_MOTION_DOT": -3.6e-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-0503
Operator	OneWebHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United Kingdom
Launch date	Oct 22, 2022HIGHvia 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/54121

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