▸Orbital parameters

Orbit class	LEO
Inclination	53.1600°
Eccentricity	0.0000804
Period	93.8 min
Apogee	463 km
Perigee	462 km
Mean motion	15.34413255 rev/day
RAAN	21.6608°
Arg of perigee	116.7748°
Mean anomaly	243.3337°
B*	9.1834e-4
Rev at epoch	3,799

▸Two-line element set (TLE)

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

1 66399U 25257V 26187.84671837 .00030792 00000-0 91834-3 0 9991

2 66399 53.1600 21.6608 0000804 116.7748 243.3337 15.34413255 37995

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-35657",
  "OBJECT_ID": "2025-257V",
  "EPOCH": "2026-07-06T20:19:16.467+00:00",
  "MEAN_MOTION": 15.34413255,
  "ECCENTRICITY": 0.0000804,
  "INCLINATION": 53.16,
  "RA_OF_ASC_NODE": 21.6608,
  "ARG_OF_PERICENTER": 116.7748,
  "MEAN_ANOMALY": 243.3337,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 66399,
  "REV_AT_EPOCH": 3799,
  "BSTAR": 0.00091834,
  "MEAN_MOTION_DOT": 0.00030792,
  "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-35657
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Nov 9, 2025HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	575HIGHvia 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/66399

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