▸Orbital parameters

Orbit class	LEO
Inclination	53.1603°
Eccentricity	0.0000990
Period	94.2 min
Apogee	479 km
Perigee	477 km
Mean motion	15.29336310 rev/day
RAAN	16.7073°
Arg of perigee	69.1885°
Mean anomaly	31.9588°
B*	1.6876e-3
Rev at epoch	523

▸Two-line element set (TLE)

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

1 53251U 22086K 26188.00003470 .00048632 00000-0 16876-2 0 9996

2 53251 53.1603 16.7073 0000990 69.1885 31.9588 15.29336310 5232

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-4129",
  "OBJECT_ID": "2022-086K",
  "EPOCH": "2026-07-07T00:00:02.998+00:00",
  "MEAN_MOTION": 15.2933631,
  "ECCENTRICITY": 0.000099,
  "INCLINATION": 53.1603,
  "RA_OF_ASC_NODE": 16.7073,
  "ARG_OF_PERICENTER": 69.1885,
  "MEAN_ANOMALY": 31.9588,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 53251,
  "REV_AT_EPOCH": 523,
  "BSTAR": 0.0016876,
  "MEAN_MOTION_DOT": 0.00048632,
  "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-4129
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Jul 24, 2022HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	297HIGHvia 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/53251

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