▸Orbital parameters

Orbit class	GEO
Inclination	9.7348°
Eccentricity	0.0003980
Period	1436.1 min
Apogee	35,804 km
Perigee	35,771 km
Mean motion	1.00268167 rev/day
RAAN	53.0560°
Arg of perigee	56.7041°
Mean anomaly	177.6298°
B*	0.0000e+0
Rev at epoch	10,409

▸Two-line element set (TLE)

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

1 25153U 98006B 26188.15633623 -.00000282 00000-0 00000-0 0 9996

2 25153 9.7348 53.0560 0003980 56.7041 177.6298 1.00268167104096

▸ source OMM (JSON)

{
  "OBJECT_NAME": "INMARSAT 3-F5",
  "OBJECT_ID": "1998-006B",
  "EPOCH": "2026-07-07T03:45:07.45+00:00",
  "MEAN_MOTION": 1.00268167,
  "ECCENTRICITY": 0.000398,
  "INCLINATION": 9.7348,
  "RA_OF_ASC_NODE": 53.056,
  "ARG_OF_PERICENTER": 56.7041,
  "MEAN_ANOMALY": 177.6298,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 25153,
  "REV_AT_EPOCH": 10409,
  "BSTAR": 0,
  "MEAN_MOTION_DOT": -0.00000282,
  "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 3-F5
Operator	International Maritime Satellite OrganizationHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	Inmarsat
Launch date	Feb 4, 1998HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	964HIGHvia 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/25153

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