▸Orbital parameters

Orbit class	LEO
Inclination	42.0041°
Eccentricity	0.0005576
Period	96.0 min
Apogee	571 km
Perigee	564 km
Mean motion	14.99812081 rev/day
RAAN	28.5207°
Arg of perigee	3.3015°
Mean anomaly	356.7847°
B*	3.5185e-4
Rev at epoch	3,633

▸Two-line element set (TLE)

EPOCH Jul 5, 2026SOURCE CelesTrakDERIVED currentUPDATED Jul 7, 2026

1 66316U 25252A 26186.97544969 .00004246 00000-0 35185-3 0 9995

2 66316 42.0041 28.5207 0005576 3.3015 356.7847 14.99812081 36332

▸ source OMM (JSON)

{
  "OBJECT_NAME": "QPS-SAR-14 (YACHIHOKO-I)",
  "OBJECT_ID": "2025-252A",
  "EPOCH": "2026-07-05T23:24:38.853+00:00",
  "MEAN_MOTION": 14.99812081,
  "ECCENTRICITY": 0.0005576,
  "INCLINATION": 42.0041,
  "RA_OF_ASC_NODE": 28.5207,
  "ARG_OF_PERICENTER": 3.3015,
  "MEAN_ANOMALY": 356.7847,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 66316,
  "REV_AT_EPOCH": 3633,
  "BSTAR": 0.00035185,
  "MEAN_MOTION_DOT": 0.00004246,
  "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	QPS-SAR-14 (YACHIHOKO-I)
Operator	QPS Laboratories Co, Ltd.HIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree iQPSMEDIUMvia Wikidata
Country	JapanMEDIUMvia Wikidata
Launch date	Nov 5, 2025HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	120HIGH

▸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/66316

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