▸Orbital parameters

Orbit class	LEO
Inclination	53.1591°
Eccentricity	0.0001084
Period	95.4 min
Apogee	541 km
Perigee	539 km
Mean motion	15.08822656 rev/day
RAAN	257.5850°
Arg of perigee	103.1318°
Mean anomaly	256.9794°
B*	-1.0310e-4
Rev at epoch	21,420

▸Two-line element set (TLE)

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

1 53535U 22101J 26188.15889227 -.00001928 00000-0 -10310-3 0 9994

2 53535 53.1591 257.5850 0001084 103.1318 256.9794 15.08822656214203

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-4138",
  "OBJECT_ID": "2022-101J",
  "EPOCH": "2026-07-07T03:48:48.292+00:00",
  "MEAN_MOTION": 15.08822656,
  "ECCENTRICITY": 0.0001084,
  "INCLINATION": 53.1591,
  "RA_OF_ASC_NODE": 257.585,
  "ARG_OF_PERICENTER": 103.1318,
  "MEAN_ANOMALY": 256.9794,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 53535,
  "REV_AT_EPOCH": 21420,
  "BSTAR": -0.0001031,
  "MEAN_MOTION_DOT": -0.00001928,
  "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-4138
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Aug 19, 2022HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	300HIGHvia 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/53535

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