▸Orbital parameters

Orbit class	LEO
Inclination	69.9995°
Eccentricity	0.0003360
Period	94.7 min
Apogee	505 km
Perigee	501 km
Mean motion	15.20923739 rev/day
RAAN	311.3444°
Arg of perigee	278.7342°
Mean anomaly	252.5062°
B*	4.5718e-3
Rev at epoch	532

▸Two-line element set (TLE)

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

1 49139U 21082K 26188.16670139 .00102732 00000-0 45718-2 0 9999

2 49139 69.9995 311.3444 0003360 278.7342 252.5062 15.20923739 5323

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-3057",
  "OBJECT_ID": "2021-082K",
  "EPOCH": "2026-07-07T04:00:03+00:00",
  "MEAN_MOTION": 15.20923739,
  "ECCENTRICITY": 0.000336,
  "INCLINATION": 69.9995,
  "RA_OF_ASC_NODE": 311.3444,
  "ARG_OF_PERICENTER": 278.7342,
  "MEAN_ANOMALY": 252.5062,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 49139,
  "REV_AT_EPOCH": 532,
  "BSTAR": 0.0045718,
  "MEAN_MOTION_DOT": 0.00102732,
  "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-3057
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Sep 14, 2021HIGHvia 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/49139

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