▸Orbital parameters

Orbit class	LEO
Inclination	43.0032°
Eccentricity	0.0001552
Period	94.3 min
Apogee	484 km
Perigee	482 km
Mean motion	15.27567040 rev/day
RAAN	8.5196°
Arg of perigee	264.8903°
Mean anomaly	95.1772°
B*	-2.8599e-5
Rev at epoch	18,969

▸Two-line element set (TLE)

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

1 55373U 23013AU 26187.91776131 -.00001049 00000-0 -28599-4 0 9994

2 55373 43.0032 8.5196 0001552 264.8903 95.1772 15.27567040189692

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-5581",
  "OBJECT_ID": "2023-013AU",
  "EPOCH": "2026-07-06T22:01:34.577+00:00",
  "MEAN_MOTION": 15.2756704,
  "ECCENTRICITY": 0.0001552,
  "INCLINATION": 43.0032,
  "RA_OF_ASC_NODE": 8.5196,
  "ARG_OF_PERICENTER": 264.8903,
  "MEAN_ANOMALY": 95.1772,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 55373,
  "REV_AT_EPOCH": 18969,
  "BSTAR": -0.000028599,
  "MEAN_MOTION_DOT": -0.00001049,
  "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-5581
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Jan 26, 2023HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	305HIGHvia 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/55373

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