Satellites/IRIDIUM 177
IRIDIUM 177
Satellite · United StatesActive
NORAD Number
56727
COSPAR ID
2023-068T
Launched
2023-05-20
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
Perigee743 km
Apogee750 km
Inclination86.45°
Period99.8 min
Radar cross-section—
Latest Orbital Elements
Epoch (UTC)2026-11-09 08:14:31
Mean motion14.43648286 rev/day
Eccentricity0.0005048
Inclination86.4473°
Right ascension of node261.4644°
Argument of perigee104.2186°
Mean anomaly255.9576°
B* drag term9.4857e-5
Element set999
Revolutions at epoch18,772
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).