▸Orbital parameters

Orbit class	LEO
Inclination	86.3966°
Eccentricity	0.0002256
Period	100.4 min
Apogee	779 km
Perigee	776 km
Mean motion	14.34218420 rev/day
RAAN	282.2535°
Arg of perigee	95.4380°
Mean anomaly	264.7073°
B*	2.4201e-5
Rev at epoch	43,293

▸Two-line element set (TLE)

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

1 43251U 18030C 26187.72138110 .00000088 00000-0 24201-4 0 9993

2 43251 86.3966 282.2535 0002256 95.4380 264.7073 14.34218420432935

▸ source OMM (JSON)

{
  "OBJECT_NAME": "IRIDIUM 157",
  "OBJECT_ID": "2018-030C",
  "EPOCH": "2026-07-06T17:18:47.327+00:00",
  "MEAN_MOTION": 14.3421842,
  "ECCENTRICITY": 0.0002256,
  "INCLINATION": 86.3966,
  "RA_OF_ASC_NODE": 282.2535,
  "ARG_OF_PERICENTER": 95.438,
  "MEAN_ANOMALY": 264.7073,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 43251,
  "REV_AT_EPOCH": 43293,
  "BSTAR": 0.000024201,
  "MEAN_MOTION_DOT": 8.8e-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 157
Operator	Iridium Satellite LLCHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Mar 30, 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/43251

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