▸Orbital parameters

Orbit class	SSO
Inclination	98.2248°
Eccentricity	0.0011872
Period	99.2 min
Apogee	731 km
Perigee	714 km
Mean motion	14.50906255 rev/day
RAAN	263.0551°
Arg of perigee	27.8421°
Mean anomaly	332.3407°
B*	4.2425e-5
Rev at epoch	46,957

▸Two-line element set (TLE)

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

1 42920U 17049A 26188.19013351 .00000124 00000-0 42425-4 0 9994

2 42920 98.2248 263.0551 0011872 27.8421 332.3407 14.50906255469577

▸ source OMM (JSON)

{
  "OBJECT_NAME": "FORMOSAT-5",
  "OBJECT_ID": "2017-049A",
  "EPOCH": "2026-07-07T04:33:47.535+00:00",
  "MEAN_MOTION": 14.50906255,
  "ECCENTRICITY": 0.0011872,
  "INCLINATION": 98.2248,
  "RA_OF_ASC_NODE": 263.0551,
  "ARG_OF_PERICENTER": 27.8421,
  "MEAN_ANOMALY": 332.3407,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 42920,
  "REV_AT_EPOCH": 46957,
  "BSTAR": 0.000042425,
  "MEAN_MOTION_DOT": 0.00000124,
  "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-5
Operator	National Space OrganizationHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree Taiwan Space AgencyMEDIUMvia Wikidata
Country	TaiwanMEDIUMvia Wikidata
Launch date	Aug 24, 2017HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	525HIGH

▸Data quality

Score90 / 100

Claims10

Sources2

TLEavailable

▸Sources

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

▸Actions

GET /api/v1/satellites/42920

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