▸Orbital parameters

Orbit class	LEO
Inclination	63.4028°
Eccentricity	0.0176500
Period	107.0 min
Apogee	1,221 km
Perigee	957 km
Mean motion	13.45449281 rev/day
RAAN	207.4750°
Arg of perigee	0.5614°
Mean anomaly	359.5579°
B*	2.0250e-4
Rev at epoch	26,109

▸Two-line element set (TLE)

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

1 47856U 21020C 26188.15300329 .00000042 00000-0 20250-3 0 9991

2 47856 63.4028 207.4750 0176500 0.5614 359.5579 13.45449281261097

▸ source OMM (JSON)

{
  "OBJECT_NAME": "YAOGAN-31 04B",
  "OBJECT_ID": "2021-020C",
  "EPOCH": "2026-07-07T03:40:19.484+00:00",
  "MEAN_MOTION": 13.45449281,
  "ECCENTRICITY": 0.01765,
  "INCLINATION": 63.4028,
  "RA_OF_ASC_NODE": 207.475,
  "ARG_OF_PERICENTER": 0.5614,
  "MEAN_ANOMALY": 359.5579,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 47856,
  "REV_AT_EPOCH": 26109,
  "BSTAR": 0.0002025,
  "MEAN_MOTION_DOT": 4.2e-7,
  "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-31 04B
Operator	Strategic Support TroopsHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	China
Launch date	Mar 13, 2021HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	500HIGHvia 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/47856

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