▸Orbital parameters

Orbit class	LEO
Inclination	69.9989°
Eccentricity	0.0003447
Period	96.1 min
Apogee	575 km
Perigee	570 km
Mean motion	14.98326060 rev/day
RAAN	225.0933°
Arg of perigee	267.8882°
Mean anomaly	92.1882°
B*	-4.5604e-5
Rev at epoch	18,706

▸Two-line element set (TLE)

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

1 55659U 23021AH 26187.47219176 -.00000637 00000-0 -45604-4 0 9990

2 55659 69.9989 225.0933 0003447 267.8882 92.1882 14.98326060187066

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-5477",
  "OBJECT_ID": "2023-021AH",
  "EPOCH": "2026-07-06T11:19:57.368+00:00",
  "MEAN_MOTION": 14.9832606,
  "ECCENTRICITY": 0.0003447,
  "INCLINATION": 69.9989,
  "RA_OF_ASC_NODE": 225.0933,
  "ARG_OF_PERICENTER": 267.8882,
  "MEAN_ANOMALY": 92.1882,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 55659,
  "REV_AT_EPOCH": 18706,
  "BSTAR": -0.000045604,
  "MEAN_MOTION_DOT": -0.00000637,
  "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-5477
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Feb 17, 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/55659

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