▸Orbital parameters

Orbit class	LEO
Inclination	34.9906°
Eccentricity	0.0004665
Period	94.9 min
Apogee	515 km
Perigee	509 km
Mean motion	15.18066361 rev/day
RAAN	99.6351°
Arg of perigee	240.3706°
Mean anomaly	119.6542°
B*	2.3239e-4
Rev at epoch	15,592

▸Two-line element set (TLE)

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

1 57889U 23145D 26188.14593875 .00004814 00000-0 23239-3 0 9998

2 57889 34.9906 99.6351 0004665 240.3706 119.6542 15.18066361155923

▸ source OMM (JSON)

{
  "OBJECT_NAME": "YAOGAN-39 02B",
  "OBJECT_ID": "2023-145D",
  "EPOCH": "2026-07-07T03:30:09.108+00:00",
  "MEAN_MOTION": 15.18066361,
  "ECCENTRICITY": 0.0004665,
  "INCLINATION": 34.9906,
  "RA_OF_ASC_NODE": 99.6351,
  "ARG_OF_PERICENTER": 240.3706,
  "MEAN_ANOMALY": 119.6542,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 57889,
  "REV_AT_EPOCH": 15592,
  "BSTAR": 0.00023239,
  "MEAN_MOTION_DOT": 0.00004814,
  "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	YAOGAN-39 02B
Operator	General Armaments Dept. of the PLAHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	China
Launch date	Sep 17, 2023HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	300HIGHvia GCAT — Jonathan McDowell's General Catalog
Mission purpose	—
Object class	PAYLOADHIGH

▸Data quality

Score85 / 100

Claims7

Sources1

TLEavailable

▸Sources

GCAT — Jonathan McDowell's General CatalogCC BY 4.0planet4589.org

▸Actions

GET /api/v1/satellites/57889

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