▸Orbital parameters

Orbit class	GEO
Inclination	0.1991°
Eccentricity	0.0005743
Period	1436.2 min
Apogee	35,812 km
Perigee	35,764 km
Mean motion	1.00267161 rev/day
RAAN	79.4182°
Arg of perigee	275.3677°
Mean anomaly	59.5949°
B*	0.0000e+0
Rev at epoch	1,876

▸Two-line element set (TLE)

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

1 48808U 21047A 26188.06850030 -.00000314 00000-0 00000-0 0 9998

2 48808 0.1991 79.4182 0005743 275.3677 59.5949 1.00267161 18764

▸ source OMM (JSON)

{
  "OBJECT_NAME": "FENGYUN 4B",
  "OBJECT_ID": "2021-047A",
  "EPOCH": "2026-07-07T01:38:38.426+00:00",
  "MEAN_MOTION": 1.00267161,
  "ECCENTRICITY": 0.0005743,
  "INCLINATION": 0.1991,
  "RA_OF_ASC_NODE": 79.4182,
  "ARG_OF_PERICENTER": 275.3677,
  "MEAN_ANOMALY": 59.5949,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 48808,
  "REV_AT_EPOCH": 1876,
  "BSTAR": 0,
  "MEAN_MOTION_DOT": -0.00000314,
  "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	FENGYUN 4B
Operator	National Satellite Meteorological CenterHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	People's Republic of ChinaMEDIUMvia Wikidata
Launch date	Jun 2, 2021HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	5380HIGHvia GCAT — Jonathan McDowell's General Catalog
Mission purpose	—

▸Data quality

Score90 / 100

Claims8

Sources2

TLEavailable

▸Sources

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

▸Actions

GET /api/v1/satellites/48808

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