▸Orbital parameters

Orbit class	SSO
Inclination	98.2023°
Eccentricity	0.0001429
Period	98.8 min
Apogee	703 km
Perigee	701 km
Mean motion	14.57143103 rev/day
RAAN	128.0007°
Arg of perigee	65.8323°
Mean anomaly	355.4362°
B*	1.0403e-4
Rev at epoch	75,188

▸Two-line element set (TLE)

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

1 38337U 12025A 26187.74067375 .00000424 00000-0 10403-3 0 9998

2 38337 98.2023 128.0007 0001429 65.8323 355.4362 14.57143103751887

▸ source OMM (JSON)

{
  "OBJECT_NAME": "GCOM-W1 (SHIZUKU)",
  "OBJECT_ID": "2012-025A",
  "EPOCH": "2026-07-06T17:46:34.212+00:00",
  "MEAN_MOTION": 14.57143103,
  "ECCENTRICITY": 0.0001429,
  "INCLINATION": 98.2023,
  "RA_OF_ASC_NODE": 128.0007,
  "ARG_OF_PERICENTER": 65.8323,
  "MEAN_ANOMALY": 355.4362,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 38337,
  "REV_AT_EPOCH": 75188,
  "BSTAR": 0.00010403,
  "MEAN_MOTION_DOT": 0.00000424,
  "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	GCOM-W1 (SHIZUKU)
Operator	Japan Aerospace Exploration AgencyHIGHvia GCAT — Jonathan McDowell's General Catalog Japan Aerospace Exploration AgencyMEDIUMvia Wikidata
Country	JapanMEDIUMvia Wikidata
Launch date	May 17, 2012HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	1991HIGH

▸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/38337

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