▸Orbital parameters

Orbit class	LEO
Inclination	53.1608°
Eccentricity	0.0000111
Period	94.5 min
Apogee	494 km
Perigee	494 km
Mean motion	15.24016212 rev/day
RAAN	171.9945°
Arg of perigee	30.7087°
Mean anomaly	308.1517°
B*	2.0789e-3
Rev at epoch	574

▸Two-line element set (TLE)

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

1 51789U 22017X 26188.16670139 .00051050 00000-0 20789-2 0 9999

2 51789 53.1608 171.9945 0000111 30.7087 308.1517 15.24016212 5744

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-3639",
  "OBJECT_ID": "2022-017X",
  "EPOCH": "2026-07-07T04:00:03+00:00",
  "MEAN_MOTION": 15.24016212,
  "ECCENTRICITY": 0.0000111,
  "INCLINATION": 53.1608,
  "RA_OF_ASC_NODE": 171.9945,
  "ARG_OF_PERICENTER": 30.7087,
  "MEAN_ANOMALY": 308.1517,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 51789,
  "REV_AT_EPOCH": 574,
  "BSTAR": 0.0020789,
  "MEAN_MOTION_DOT": 0.0005105,
  "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-3639
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Feb 25, 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/51789

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