▸Orbital parameters

Orbit class	LEO
Inclination	53.1595°
Eccentricity	0.0001695
Period	95.2 min
Apogee	528 km
Perigee	525 km
Mean motion	15.13202101 rev/day
RAAN	62.6094°
Arg of perigee	122.0073°
Mean anomaly	145.4759°
B*	3.0238e-3
Rev at epoch	558

▸Two-line element set (TLE)

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

1 50203U 21125AZ 26188.16670139 .00054420 00000-0 30238-2 0 9992

2 50203 53.1595 62.6094 0001695 122.0073 145.4759 15.13202101 5582

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-3257",
  "OBJECT_ID": "2021-125AZ",
  "EPOCH": "2026-07-07T04:00:03+00:00",
  "MEAN_MOTION": 15.13202101,
  "ECCENTRICITY": 0.0001695,
  "INCLINATION": 53.1595,
  "RA_OF_ASC_NODE": 62.6094,
  "ARG_OF_PERICENTER": 122.0073,
  "MEAN_ANOMALY": 145.4759,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 50203,
  "REV_AT_EPOCH": 558,
  "BSTAR": 0.0030238,
  "MEAN_MOTION_DOT": 0.0005442,
  "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-3257
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Dec 18, 2021HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	290HIGHvia 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/50203

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