▸Orbital parameters

Orbit class	LEO
Inclination	70.0000°
Eccentricity	0.0003171
Period	96.1 min
Apogee	574 km
Perigee	570 km
Mean motion	14.98325760 rev/day
RAAN	284.5089°
Arg of perigee	266.4784°
Mean anomaly	93.6012°
B*	-7.8386e-5
Rev at epoch	18,435

▸Two-line element set (TLE)

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

1 55770U 23028AF 26187.66481595 -.00001028 00000-0 -78386-4 0 9996

2 55770 70.0000 284.5089 0003171 266.4784 93.6012 14.98325760184355

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-5557",
  "OBJECT_ID": "2023-028AF",
  "EPOCH": "2026-07-06T15:57:20.098+00:00",
  "MEAN_MOTION": 14.9832576,
  "ECCENTRICITY": 0.0003171,
  "INCLINATION": 70,
  "RA_OF_ASC_NODE": 284.5089,
  "ARG_OF_PERICENTER": 266.4784,
  "MEAN_ANOMALY": 93.6012,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 55770,
  "REV_AT_EPOCH": 18435,
  "BSTAR": -0.000078386,
  "MEAN_MOTION_DOT": -0.00001028,
  "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-5557
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Mar 3, 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/55770

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