▸Orbital parameters

Orbit class	SSO
Inclination	99.0146°
Eccentricity	0.0002039
Period	101.2 min
Apogee	817 km
Perigee	814 km
Mean motion	14.23054422 rev/day
RAAN	174.4713°
Arg of perigee	126.3912°
Mean anomaly	233.7453°
B*	1.4090e-5
Rev at epoch	45,375

▸Two-line element set (TLE)

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

1 25398U 98043E 26187.95459196 -.00000015 00000-0 14090-4 0 9998

2 25398 99.0146 174.4713 0002039 126.3912 233.7453 14.23054422453751

▸ source OMM (JSON)

{
  "OBJECT_NAME": "WESTPAC",
  "OBJECT_ID": "1998-043E",
  "EPOCH": "2026-07-06T22:54:36.745+00:00",
  "MEAN_MOTION": 14.23054422,
  "ECCENTRICITY": 0.0002039,
  "INCLINATION": 99.0146,
  "RA_OF_ASC_NODE": 174.4713,
  "ARG_OF_PERICENTER": 126.3912,
  "MEAN_ANOMALY": 233.7453,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 25398,
  "REV_AT_EPOCH": 45375,
  "BSTAR": 0.00001409,
  "MEAN_MOTION_DOT": -1.5e-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	WESTPAC
Operator	Electro-Optical Systems Pty Ltd.HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	Australia
Launch date	Jul 10, 1998HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	24HIGHvia 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/25398

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