Satellites/IRIDIUM 172
IRIDIUM 172
Satellite · United StatesActive
NORAD Number
43927
COSPAR ID
2019-002F
Launched
2019-01-11
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
Inclination86.39°
Period100.4 min
Radar cross-section—
Latest Orbital Elements
Epoch (UTC)2026-11-09 08:50:50
Mean motion14.34217571 rev/day
Eccentricity0.0002209
Inclination86.3926°
Right ascension of node292.8829°
Argument of perigee87.63°
Mean anomaly272.5149°
B* drag term-4.8386e-6
Element set999
Revolutions at epoch40,977
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).