Satellites/IRIDIUM 156
IRIDIUM 156
Satellite · United StatesActive
NORAD Number
43576
COSPAR ID
2018-061H
Launched
2018-07-25
site code AFWTR
Orbit
LEO
Constellation
Who
Owner / operatorIridium Satellite LLC
ManufacturerNorthrop Grumman Civil Sats. and Nat. Security Systems
CountryUnited States
Catalogue owner codeUS
Orbit
OrbitingEarth
Orbit classLEO
Perigee776 km
Apogee779 km
Inclination86.4°
Period100.4 min
Radar cross-section—
Latest Orbital Elements
Epoch (UTC)2026-11-09 14:02:06
Mean motion14.34218279 rev/day
Eccentricity0.0002219
Inclination86.3988°
Right ascension of node355.9537°
Argument of perigee96.2886°
Mean anomaly263.8563°
B* drag term3.3766e-5
Element set999
Revolutions at epoch43,421
Mean elements (OMM) for the SGP4 model, refreshed every 6 hours. They describe the orbit at the epoch shown and drift as time passes, fastest for low orbits.
Source: CelesTrak satellite catalogue and GP data (celestrak.org); owner and manufacturer from GCAT (J. McDowell, CC BY 4.0).