▸Orbital parameters

Orbit class	GEO
Inclination	0.0241°
Eccentricity	0.0000027
Period	1436.1 min
Apogee	35,787 km
Perigee	35,787 km
Mean motion	1.00270013 rev/day
RAAN	281.7135°
Arg of perigee	201.0214°
Mean anomaly	304.3348°
B*	0.0000e+0
Rev at epoch	1,645

▸Two-line element set (TLE)

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

1 50319U 21128A 26188.16161463 -.00000156 00000-0 00000-0 0 9998

2 50319 0.0241 281.7135 0000027 201.0214 304.3348 1.00270013 16458

▸ source OMM (JSON)

{
  "OBJECT_NAME": "INMARSAT 6-F1",
  "OBJECT_ID": "2021-128A",
  "EPOCH": "2026-07-07T03:52:43.504+00:00",
  "MEAN_MOTION": 1.00270013,
  "ECCENTRICITY": 0.0000027,
  "INCLINATION": 0.0241,
  "RA_OF_ASC_NODE": 281.7135,
  "ARG_OF_PERICENTER": 201.0214,
  "MEAN_ANOMALY": 304.3348,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 50319,
  "REV_AT_EPOCH": 1645,
  "BSTAR": 0,
  "MEAN_MOTION_DOT": -0.00000156,
  "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	INMARSAT 6-F1
Operator	International Maritime Satellite Organization Ltd,HIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree InmarsatMEDIUMvia Wikidata
Country	United Kingdom
Launch date	Dec 22, 2021HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	5470HIGHvia GCAT — Jonathan McDowell's General Catalog

▸Data quality

Score90 / 100

Claims9

Sources2

TLEavailable

▸Sources

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

▸Actions

GET /api/v1/satellites/50319

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