Satellites/IRIDIUM 155
IRIDIUM 155
Satellite · United StatesActive
NORAD Number
43573
COSPAR ID
2018-061E
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 10:32:02
Mean motion14.34217356 rev/day
Eccentricity0.0002093
Inclination86.3982°
Right ascension of node355.9553°
Argument of perigee95.8517°
Mean anomaly264.2917°
B* drag term-1.1093e-5
Element set999
Revolutions at epoch43,417
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).