▸Orbital parameters

Orbit class	LEO
Inclination	86.3962°
Eccentricity	0.0002211
Period	100.4 min
Apogee	779 km
Perigee	776 km
Mean motion	14.34219419 rev/day
RAAN	17.0296°
Arg of perigee	92.6222°
Mean anomaly	267.5227°
B*	7.0737e-5
Rev at epoch	47,276

▸Two-line element set (TLE)

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

1 42811U 17039J 26187.60479691 .00000218 00000-0 70737-4 0 9991

2 42811 86.3962 17.0296 0002211 92.6222 267.5227 14.34219419472761

▸ source OMM (JSON)

{
  "OBJECT_NAME": "IRIDIUM 128",
  "OBJECT_ID": "2017-039J",
  "EPOCH": "2026-07-06T14:30:54.453+00:00",
  "MEAN_MOTION": 14.34219419,
  "ECCENTRICITY": 0.0002211,
  "INCLINATION": 86.3962,
  "RA_OF_ASC_NODE": 17.0296,
  "ARG_OF_PERICENTER": 92.6222,
  "MEAN_ANOMALY": 267.5227,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 42811,
  "REV_AT_EPOCH": 47276,
  "BSTAR": 0.000070737,
  "MEAN_MOTION_DOT": 0.00000218,
  "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 128
Operator	Iridium Satellite LLCHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	United States
Launch date	Jun 25, 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/42811

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