▸Orbital parameters

Orbit class	LEO
Inclination	53.1588°
Eccentricity	0.0000454
Period	94.5 min
Apogee	493 km
Perigee	493 km
Mean motion	15.24278133 rev/day
RAAN	347.1493°
Arg of perigee	84.9979°
Mean anomaly	289.1966°
B*	1.0953e-3
Rev at epoch	574

▸Two-line element set (TLE)

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

1 53149U 22083T 26188.16670139 .00026859 00000-0 10953-2 0 9995

2 53149 53.1588 347.1493 0000454 84.9979 289.1966 15.24278133 5747

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-4021",
  "OBJECT_ID": "2022-083T",
  "EPOCH": "2026-07-07T04:00:03+00:00",
  "MEAN_MOTION": 15.24278133,
  "ECCENTRICITY": 0.0000454,
  "INCLINATION": 53.1588,
  "RA_OF_ASC_NODE": 347.1493,
  "ARG_OF_PERICENTER": 84.9979,
  "MEAN_ANOMALY": 289.1966,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 53149,
  "REV_AT_EPOCH": 574,
  "BSTAR": 0.0010953,
  "MEAN_MOTION_DOT": 0.00026859,
  "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	STARLINK-4021
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Jul 17, 2022HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	297HIGHvia 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/53149

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