▸Orbital parameters

Orbit class	LEO
Inclination	53.1595°
Eccentricity	0.0001118
Period	94.0 min
Apogee	472 km
Perigee	470 km
Mean motion	15.31692502 rev/day
RAAN	293.5977°
Arg of perigee	88.5574°
Mean anomaly	271.5556°
B*	-5.4384e-5
Rev at epoch	28,349

▸Two-line element set (TLE)

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

1 48554U 21041B 26187.56871229 -.00002052 00000-0 -54384-4 0 9997

2 48554 53.1595 293.5977 0001118 88.5574 271.5556 15.31692502283497

▸ source OMM (JSON)

{
  "OBJECT_NAME": "STARLINK-2139",
  "OBJECT_ID": "2021-041B",
  "EPOCH": "2026-07-06T13:38:56.742+00:00",
  "MEAN_MOTION": 15.31692502,
  "ECCENTRICITY": 0.0001118,
  "INCLINATION": 53.1595,
  "RA_OF_ASC_NODE": 293.5977,
  "ARG_OF_PERICENTER": 88.5574,
  "MEAN_ANOMALY": 271.5556,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 48554,
  "REV_AT_EPOCH": 28349,
  "BSTAR": -0.000054384,
  "MEAN_MOTION_DOT": -0.00002052,
  "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-2139
Operator	SpaceX (Seattle)HIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	May 15, 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/48554

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