▸Orbital parameters

Orbit class	LEO
Inclination	43.0142°
Eccentricity	0.0032757
Period	94.8 min
Apogee	533 km
Perigee	487 km
Mean motion	15.18637967 rev/day
RAAN	71.9811°
Arg of perigee	271.6353°
Mean anomaly	88.0744°
B*	1.5912e-4
Rev at epoch	50,069

▸Two-line element set (TLE)

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

1 42758U 17034A 26188.13011016 .00003156 00000-0 15912-3 0 9995

2 42758 43.0142 71.9811 0032757 271.6353 88.0744 15.18637967500694

▸ source OMM (JSON)

{
  "OBJECT_NAME": "HXMT (HUIYAN)",
  "OBJECT_ID": "2017-034A",
  "EPOCH": "2026-07-07T03:07:21.518+00:00",
  "MEAN_MOTION": 15.18637967,
  "ECCENTRICITY": 0.0032757,
  "INCLINATION": 43.0142,
  "RA_OF_ASC_NODE": 71.9811,
  "ARG_OF_PERICENTER": 271.6353,
  "MEAN_ANOMALY": 88.0744,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 42758,
  "REV_AT_EPOCH": 50069,
  "BSTAR": 0.00015912,
  "MEAN_MOTION_DOT": 0.00003156,
  "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	HXMT (HUIYAN)
Operator	China National Space AdministrationHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	People's Republic of ChinaMEDIUMvia Wikidata
Launch date	Jun 15, 2017HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	3000HIGHvia GCAT — Jonathan McDowell's General Catalog
Mission purpose	—

▸Data quality

Score90 / 100

Claims8

Sources2

TLEavailable

▸Sources

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

▸Actions

GET /api/v1/satellites/42758

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