▸Orbital parameters

Orbit class	LEO
Inclination	86.3965°
Eccentricity	0.0002211
Period	100.4 min
Apogee	779 km
Perigee	776 km
Mean motion	14.34218580 rev/day
RAAN	17.0612°
Arg of perigee	91.4486°
Mean anomaly	268.6964°
B*	5.4830e-5
Rev at epoch	45,767

▸Two-line element set (TLE)

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

1 42963U 17061J 26187.93461345 .00000173 00000-0 54830-4 0 9993

2 42963 86.3965 17.0612 0002211 91.4486 268.6964 14.34218580457674

▸ source OMM (JSON)

{
  "OBJECT_NAME": "IRIDIUM 139",
  "OBJECT_ID": "2017-061J",
  "EPOCH": "2026-07-06T22:25:50.602+00:00",
  "MEAN_MOTION": 14.3421858,
  "ECCENTRICITY": 0.0002211,
  "INCLINATION": 86.3965,
  "RA_OF_ASC_NODE": 17.0612,
  "ARG_OF_PERICENTER": 91.4486,
  "MEAN_ANOMALY": 268.6964,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 42963,
  "REV_AT_EPOCH": 45767,
  "BSTAR": 0.00005483,
  "MEAN_MOTION_DOT": 0.00000173,
  "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	IRIDIUM 139
Operator	Iridium Satellite LLCHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Oct 9, 2017HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	860HIGHvia 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/42963

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