▸Orbital parameters

Orbit class	SSO
Inclination	99.7491°
Eccentricity	0.0012845
Period	106.6 min
Apogee	1,077 km
Perigee	1,058 km
Mean motion	13.51423661 rev/day
RAAN	209.6523°
Arg of perigee	19.9618°
Mean anomaly	340.2017°
B*	-8.7594e-5
Rev at epoch	37,179

▸Two-line element set (TLE)

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

1 43871U 18108A 26188.23753506 -.00000101 00000-0 -87594-4 0 9998

2 43871 99.7491 209.6523 0012845 19.9618 340.2017 13.51423661371791

▸ source OMM (JSON)

{
  "OBJECT_NAME": "HONGYUN 1",
  "OBJECT_ID": "2018-108A",
  "EPOCH": "2026-07-07T05:42:03.029+00:00",
  "MEAN_MOTION": 13.51423661,
  "ECCENTRICITY": 0.0012845,
  "INCLINATION": 99.7491,
  "RA_OF_ASC_NODE": 209.6523,
  "ARG_OF_PERICENTER": 19.9618,
  "MEAN_ANOMALY": 340.2017,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 43871,
  "REV_AT_EPOCH": 37179,
  "BSTAR": -0.000087594,
  "MEAN_MOTION_DOT": -0.00000101,
  "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	HONGYUN 1
Operator	China Aerospace Science and Industry Corp.HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	China
Launch date	Dec 21, 2018HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	250HIGHvia 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/43871

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