▸Orbital parameters

Orbit class	LEO
Inclination	86.3943°
Eccentricity	0.0002235
Period	100.4 min
Apogee	779 km
Perigee	776 km
Mean motion	14.34217934 rev/day
RAAN	48.4446°
Arg of perigee	89.2418°
Mean anomaly	270.9034°
B*	2.8302e-6
Rev at epoch	41,624

▸Two-line element set (TLE)

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

1 43570U 18061B 26188.03951846 .00000028 00000-0 28302-5 0 9996

2 43570 86.3943 48.4446 0002235 89.2418 270.9034 14.34217934416248

▸ source OMM (JSON)

{
  "OBJECT_NAME": "IRIDIUM 166",
  "OBJECT_ID": "2018-061B",
  "EPOCH": "2026-07-07T00:56:54.395+00:00",
  "MEAN_MOTION": 14.34217934,
  "ECCENTRICITY": 0.0002235,
  "INCLINATION": 86.3943,
  "RA_OF_ASC_NODE": 48.4446,
  "ARG_OF_PERICENTER": 89.2418,
  "MEAN_ANOMALY": 270.9034,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 43570,
  "REV_AT_EPOCH": 41624,
  "BSTAR": 0.0000028302,
  "MEAN_MOTION_DOT": 2.8e-7,
  "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 166
Operator	Iridium Satellite LLCHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Jul 25, 2018HIGHvia 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/43570

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