▸Orbital parameters

Orbit class	SSO
Inclination	97.6544°
Eccentricity	0.0004492
Period	96.0 min
Apogee	568 km
Perigee	562 km
Mean motion	15.00734235 rev/day
RAAN	262.0852°
Arg of perigee	158.0957°
Mean anomaly	202.0460°
B*	1.2552e-4
Rev at epoch	3,305

▸Two-line element set (TLE)

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

1 66666U 25276A 26188.14183865 .00001532 00000-0 12552-3 0 9992

2 66666 97.6544 262.0852 0004492 158.0957 202.0460 15.00734235 33051

▸ source OMM (JSON)

{
  "OBJECT_NAME": "FORMOSAT-8A",
  "OBJECT_ID": "2025-276A",
  "EPOCH": "2026-07-07T03:24:14.859+00:00",
  "MEAN_MOTION": 15.00734235,
  "ECCENTRICITY": 0.0004492,
  "INCLINATION": 97.6544,
  "RA_OF_ASC_NODE": 262.0852,
  "ARG_OF_PERICENTER": 158.0957,
  "MEAN_ANOMALY": 202.046,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 66666,
  "REV_AT_EPOCH": 3305,
  "BSTAR": 0.00012552,
  "MEAN_MOTION_DOT": 0.00001532,
  "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	FORMOSAT-8A
Operator	Taiwan Space AgencyHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	Taiwan
Launch date	Nov 28, 2025HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	380HIGHvia 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/66666

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