Orbital mechanics often sounds intimidating, filled with complex equations, gravity wells, and counterintuitive movements.

The algorithm developed for the SCaN Testbed had to take account of the high dynamics involved, and resulting Doppler shifting of signals: not only are the Galileo and GPS satellites moving at orbital ...

July 7 (UPI) --Orbital Alliance Techsystems Operations has been awarded a $53.6 million modification to an existing contract for procurement of M1156 presicion-guidance kits, the Department of ...

Lockheed Martin Corporation, Newtown, Pennsylvania, is being awarded an $8,403,514 fixed-price incentive firm contract for on-orbital operations support of the GPS IIR/IIR-M satellite constellation.

Now a combined Galileo–GPS positioning fix has been achieved in space – aboard the International Space Station – through an ESA–NASA collaboration.