Sodern Unveils Astradia Star Tracker for Aircraft Navigation

Sodern unveils Astradia star tracker for aircraft navigation

As global concerns grow over the vulnerability of satellite-based navigation, French space optics specialist Sodern has introduced a new tool designed to keep aircraft on course even when GPS signals go dark.  The ArianeGroup subsidiary unveiled Astradia, a compact star tracker intended for use on civil and military aircraft, ahead of its public debut at the 2025 Paris Air Show. Unlike conventional positioning systems, which depend on satellite …

Sodern announces the commercial launch of their Astradia star tracker – SatNews

Sodern has announced the commercial launch of Astradia, a daytime star tracker capable of aiding navigation systems, making them independent of GNSS radio-navigation signals. Select the image above to view the product video from Sodern After several years of research and development, Sodern produced Astradia, an endo-atmospheric star tracker which, when combined with an inertial navigation system (INS), provides daytime and nighttime attitude m…

Typically, aircraft and ship navigation systems rely on global positioning systems (GPS), whose signals are susceptible to jamming by electronic warfare systems deployed in contested environments. One way to guard against this is to use an inertial navigation system. However, over time, its accuracy... This article French company Sodern announces the launch of Astradia, a navigation system immune to jamming, first appeared on Zone Militaire.