▸Orbital parameters

Orbit class	LEO
Inclination	87.9189°
Eccentricity	0.0001649
Period	109.2 min
Apogee	1,191 km
Perigee	1,189 km
Mean motion	13.18686225 rev/day
RAAN	331.5324°
Arg of perigee	92.5840°
Mean anomaly	267.5481°
B*	3.1597e-5
Rev at epoch	22,421

▸Two-line element set (TLE)

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

1 50477U 21132J 26187.91031229 .00000025 00000-0 31597-4 0 9999

2 50477 87.9189 331.5324 0001649 92.5840 267.5481 13.18686225224212

▸ source OMM (JSON)

{
  "OBJECT_NAME": "ONEWEB-0397",
  "OBJECT_ID": "2021-132J",
  "EPOCH": "2026-07-06T21:50:50.982+00:00",
  "MEAN_MOTION": 13.18686225,
  "ECCENTRICITY": 0.0001649,
  "INCLINATION": 87.9189,
  "RA_OF_ASC_NODE": 331.5324,
  "ARG_OF_PERICENTER": 92.584,
  "MEAN_ANOMALY": 267.5481,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 50477,
  "REV_AT_EPOCH": 22421,
  "BSTAR": 0.000031597,
  "MEAN_MOTION_DOT": 2.5e-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-0397
Operator	OneWebHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United Kingdom
Launch date	Dec 27, 2021HIGHvia 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/50477

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