▸Orbital parameters

Orbit class	LEO
Inclination	53.1591°
Eccentricity	0.0001327
Period	95.4 min
Apogee	541 km
Perigee	539 km
Mean motion	15.08825747 rev/day
RAAN	260.6300°
Arg of perigee	88.6482°
Mean anomaly	271.4661°
B*	-1.1571e-4
Rev at epoch	21,409

▸Two-line element set (TLE)

EPOCH Jul 6, 2026SOURCE CelesTrakDERIVED currentUPDATED Jul 7, 2026

1 53528U 22101B 26187.48176926 -.00002128 00000-0 -11571-3 0 9999

2 53528 53.1591 260.6300 0001327 88.6482 271.4661 15.08825747214095

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-4503",
  "OBJECT_ID": "2022-101B",
  "EPOCH": "2026-07-06T11:33:44.864+00:00",
  "MEAN_MOTION": 15.08825747,
  "ECCENTRICITY": 0.0001327,
  "INCLINATION": 53.1591,
  "RA_OF_ASC_NODE": 260.63,
  "ARG_OF_PERICENTER": 88.6482,
  "MEAN_ANOMALY": 271.4661,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 53528,
  "REV_AT_EPOCH": 21409,
  "BSTAR": -0.00011571,
  "MEAN_MOTION_DOT": -0.00002128,
  "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-4503
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Aug 19, 2022HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	300HIGHvia 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/53528

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