▸Orbital parameters

Orbit class	LEO
Inclination	53.1601°
Eccentricity	0.0000808
Period	94.7 min
Apogee	504 km
Perigee	503 km
Mean motion	15.20782663 rev/day
RAAN	342.1437°
Arg of perigee	30.2976°
Mean anomaly	357.9515°
B*	2.9145e-3
Rev at epoch	583

▸Two-line element set (TLE)

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

1 49729U 21115F 26188.16670139 .00065286 00000-0 29145-2 0 9999

2 49729 53.1601 342.1437 0000808 30.2976 357.9515 15.20782663 5837

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-3251",
  "OBJECT_ID": "2021-115F",
  "EPOCH": "2026-07-07T04:00:03+00:00",
  "MEAN_MOTION": 15.20782663,
  "ECCENTRICITY": 0.0000808,
  "INCLINATION": 53.1601,
  "RA_OF_ASC_NODE": 342.1437,
  "ARG_OF_PERICENTER": 30.2976,
  "MEAN_ANOMALY": 357.9515,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 49729,
  "REV_AT_EPOCH": 583,
  "BSTAR": 0.0029145,
  "MEAN_MOTION_DOT": 0.00065286,
  "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-3251
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/49729

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