▸Orbital parameters

Orbit class	LEO
Inclination	69.9999°
Eccentricity	0.0002568
Period	96.1 min
Apogee	574 km
Perigee	570 km
Mean motion	14.98321362 rev/day
RAAN	63.4145°
Arg of perigee	263.7844°
Mean anomaly	96.3022°
B*	-1.1352e-4
Rev at epoch	19,252

▸Two-line element set (TLE)

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

1 55316U 23010AZ 26188.04613968 -.00001447 00000-0 -11352-3 0 9991

2 55316 69.9999 63.4145 0002568 263.7844 96.3022 14.98321362192521

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-5257",
  "OBJECT_ID": "2023-010AZ",
  "EPOCH": "2026-07-07T01:06:26.468+00:00",
  "MEAN_MOTION": 14.98321362,
  "ECCENTRICITY": 0.0002568,
  "INCLINATION": 69.9999,
  "RA_OF_ASC_NODE": 63.4145,
  "ARG_OF_PERICENTER": 263.7844,
  "MEAN_ANOMALY": 96.3022,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 55316,
  "REV_AT_EPOCH": 19252,
  "BSTAR": -0.00011352,
  "MEAN_MOTION_DOT": -0.00001447,
  "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-5257
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Jan 19, 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/55316

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