▸Orbital parameters

Orbit class	LEO
Inclination	41.4676°
Eccentricity	0.0002945
Period	92.4 min
Apogee	395 km
Perigee	391 km
Mean motion	15.58010165 rev/day
RAAN	204.9373°
Arg of perigee	272.9146°
Mean anomaly	87.1355°
B*	1.7841e-4
Rev at epoch	28,823

▸Two-line element set (TLE)

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

1 53239U 22085A 26187.43325318 .00013455 00000-0 17841-3 0 9994

2 53239 41.4676 204.9373 0002945 272.9146 87.1355 15.58010165288235

▸ source OMM (JSON)

{
  "OBJECT_NAME": "CSS (WENTIAN)",
  "OBJECT_ID": "2022-085A",
  "EPOCH": "2026-07-06T10:23:53.075+00:00",
  "MEAN_MOTION": 15.58010165,
  "ECCENTRICITY": 0.00029451,
  "INCLINATION": 41.4676,
  "RA_OF_ASC_NODE": 204.9373,
  "ARG_OF_PERICENTER": 272.9146,
  "MEAN_ANOMALY": 87.1355,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 53239,
  "REV_AT_EPOCH": 28823,
  "BSTAR": 0.0001784142,
  "MEAN_MOTION_DOT": 0.00013455,
  "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	CSS (WENTIAN)
Operator	China Manned Space Engineering OfficeHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree China National Space AdministrationMEDIUMvia Wikidata
Country	China
Launch date	Jul 24, 2022HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	23050HIGHvia GCAT — Jonathan McDowell's General Catalog⚠

▸Data quality

Score95 / 100

Claims9

Sources3

TLEavailable

▸Sources

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

▸Actions

GET /api/v1/satellites/53239

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