▸Orbital parameters

Orbit class	LEO
Inclination	53.2160°
Eccentricity	0.0001011
Period	95.3 min
Apogee	532 km
Perigee	530 km
Mean motion	15.11716028 rev/day
RAAN	334.1528°
Arg of perigee	140.2726°
Mean anomaly	219.8341°
B*	7.8517e-4
Rev at epoch	25,351

▸Two-line element set (TLE)

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

1 49738U 21115Q 26187.71880043 .00013257 00000-0 78517-3 0 9995

2 49738 53.2160 334.1528 0001011 140.2726 219.8341 15.11716028253517

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-3143",
  "OBJECT_ID": "2021-115Q",
  "EPOCH": "2026-07-06T17:15:04.357+00:00",
  "MEAN_MOTION": 15.11716028,
  "ECCENTRICITY": 0.0001011,
  "INCLINATION": 53.216,
  "RA_OF_ASC_NODE": 334.1528,
  "ARG_OF_PERICENTER": 140.2726,
  "MEAN_ANOMALY": 219.8341,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 49738,
  "REV_AT_EPOCH": 25351,
  "BSTAR": 0.00078517,
  "MEAN_MOTION_DOT": 0.00013257,
  "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-3143
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Dec 2, 2021HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	290HIGHvia 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/49738

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