▸Orbital parameters

Orbit class	LEO
Inclination	63.3961°
Eccentricity	0.0277137
Period	107.0 min
Apogee	1,296 km
Perigee	882 km
Mean motion	13.45445883 rev/day
RAAN	39.1367°
Arg of perigee	7.2251°
Mean anomaly	353.2643°
B*	3.2982e-5
Rev at epoch	40,493

▸Two-line element set (TLE)

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

1 43277U 18034C 26188.20892491 -.00000066 00000-0 32982-4 0 9990

2 43277 63.3961 39.1367 0277137 7.2251 353.2643 13.45445883404937

▸ source OMM (JSON)

{
  "OBJECT_NAME": "YAOGAN-31 01C",
  "OBJECT_ID": "2018-034C",
  "EPOCH": "2026-07-07T05:00:51.112+00:00",
  "MEAN_MOTION": 13.45445883,
  "ECCENTRICITY": 0.0277137,
  "INCLINATION": 63.3961,
  "RA_OF_ASC_NODE": 39.1367,
  "ARG_OF_PERICENTER": 7.2251,
  "MEAN_ANOMALY": 353.2643,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 43277,
  "REV_AT_EPOCH": 40493,
  "BSTAR": 0.000032982,
  "MEAN_MOTION_DOT": -6.6e-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 01C
Operator	Strategic Support TroopsHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	China
Launch date	Apr 10, 2018HIGHvia 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/43277

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