▸Orbital parameters

Orbit class	LEO
Inclination	53.2143°
Eccentricity	0.0001485
Period	95.1 min
Apogee	523 km
Perigee	521 km
Mean motion	15.14700253 rev/day
RAAN	60.1241°
Arg of perigee	79.1553°
Mean anomaly	280.9609°
B*	6.4685e-4
Rev at epoch	25,481

▸Two-line element set (TLE)

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

1 50173U 21125T 26188.05292345 .00011832 00000-0 64685-3 0 9999

2 50173 53.2143 60.1241 0001485 79.1553 280.9609 15.14700253254810

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-3289",
  "OBJECT_ID": "2021-125T",
  "EPOCH": "2026-07-07T01:16:12.586+00:00",
  "MEAN_MOTION": 15.14700253,
  "ECCENTRICITY": 0.0001485,
  "INCLINATION": 53.2143,
  "RA_OF_ASC_NODE": 60.1241,
  "ARG_OF_PERICENTER": 79.1553,
  "MEAN_ANOMALY": 280.9609,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 50173,
  "REV_AT_EPOCH": 25481,
  "BSTAR": 0.00064685,
  "MEAN_MOTION_DOT": 0.00011832,
  "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-3289
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Dec 18, 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/50173

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