▸Orbital parameters

Orbit class	LEO
Inclination	53.1576°
Eccentricity	0.0001206
Period	94.0 min
Apogee	472 km
Perigee	470 km
Mean motion	15.31681735 rev/day
RAAN	277.8024°
Arg of perigee	84.2787°
Mean anomaly	275.8352°
B*	-2.6529e-4
Rev at epoch	28,213

▸Two-line element set (TLE)

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

1 48639U 21044B 26188.19985331 -.00008583 00000-0 -26529-3 0 9998

2 48639 53.1576 277.8024 0001206 84.2787 275.8352 15.31681735282132

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-2739",
  "OBJECT_ID": "2021-044B",
  "EPOCH": "2026-07-07T04:47:47.326+00:00",
  "MEAN_MOTION": 15.31681735,
  "ECCENTRICITY": 0.0001206,
  "INCLINATION": 53.1576,
  "RA_OF_ASC_NODE": 277.8024,
  "ARG_OF_PERICENTER": 84.2787,
  "MEAN_ANOMALY": 275.8352,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 48639,
  "REV_AT_EPOCH": 28213,
  "BSTAR": -0.00026529,
  "MEAN_MOTION_DOT": -0.00008583,
  "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-2739
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	May 26, 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/48639

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