▸Orbital parameters

Orbit class	LEO
Inclination	53.0320°
Eccentricity	0.0000812
Period	91.8 min
Apogee	364 km
Perigee	362 km
Mean motion	15.68579085 rev/day
RAAN	243.0001°
Arg of perigee	296.7614°
Mean anomaly	63.3319°
B*	3.6280e-4
Rev at epoch	34,898

▸Two-line element set (TLE)

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

1 45399U 20019AR 26187.42472909 .00041584 00000-0 36280-3 0 9997

2 45399 53.0320 243.0001 0000812 296.7614 63.3319 15.68579085348982

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-1255",
  "OBJECT_ID": "2020-019AR",
  "EPOCH": "2026-07-06T10:11:36.593+00:00",
  "MEAN_MOTION": 15.68579085,
  "ECCENTRICITY": 0.0000812,
  "INCLINATION": 53.032,
  "RA_OF_ASC_NODE": 243.0001,
  "ARG_OF_PERICENTER": 296.7614,
  "MEAN_ANOMALY": 63.3319,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 45399,
  "REV_AT_EPOCH": 34898,
  "BSTAR": 0.0003628,
  "MEAN_MOTION_DOT": 0.00041584,
  "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-1255
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Mar 18, 2020HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	260HIGHvia 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/45399

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