▸Orbital parameters

Orbit class	LEO
Inclination	86.3941°
Eccentricity	0.0002138
Period	100.4 min
Apogee	779 km
Perigee	776 km
Mean motion	14.34217313 rev/day
RAAN	48.5339°
Arg of perigee	87.7088°
Mean anomaly	272.4353°
B*	8.0424e-5
Rev at epoch	41,614

▸Two-line element set (TLE)

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

1 43573U 18061E 26187.64627492 .00000245 00000-0 80424-4 0 9995

2 43573 86.3941 48.5339 0002138 87.7088 272.4353 14.34217313416140

▸ source OMM (JSON)

{
  "OBJECT_NAME": "IRIDIUM 155",
  "OBJECT_ID": "2018-061E",
  "EPOCH": "2026-07-06T15:30:38.153+00:00",
  "MEAN_MOTION": 14.34217313,
  "ECCENTRICITY": 0.0002138,
  "INCLINATION": 86.3941,
  "RA_OF_ASC_NODE": 48.5339,
  "ARG_OF_PERICENTER": 87.7088,
  "MEAN_ANOMALY": 272.4353,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 43573,
  "REV_AT_EPOCH": 41614,
  "BSTAR": 0.000080424,
  "MEAN_MOTION_DOT": 0.00000245,
  "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 155
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/43573

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