▸Orbital parameters

Orbit class	LEO
Inclination	53.1593°
Eccentricity	0.0001273
Period	94.0 min
Apogee	472 km
Perigee	470 km
Mean motion	15.31675501 rev/day
RAAN	141.2783°
Arg of perigee	82.0766°
Mean anomaly	278.0380°
B*	-1.9229e-4
Rev at epoch	29,277

▸Two-line element set (TLE)

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

1 47978U 21024B 26187.13974433 -.00006322 00000-0 -19229-3 0 9993

2 47978 53.1593 141.2783 0001273 82.0766 278.0380 15.31675501292770

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-1647",
  "OBJECT_ID": "2021-024B",
  "EPOCH": "2026-07-06T03:21:13.91+00:00",
  "MEAN_MOTION": 15.31675501,
  "ECCENTRICITY": 0.0001273,
  "INCLINATION": 53.1593,
  "RA_OF_ASC_NODE": 141.2783,
  "ARG_OF_PERICENTER": 82.0766,
  "MEAN_ANOMALY": 278.038,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 47978,
  "REV_AT_EPOCH": 29277,
  "BSTAR": -0.00019229,
  "MEAN_MOTION_DOT": -0.00006322,
  "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-1647
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Mar 24, 2021HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	260HIGHvia 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/47978

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