The Johns Hopkins University

Albert A Chacos

Dennis J Duven

William S Devereux

Mark S Asher

Thomas L Kusterer

Richard C Morgan

Kim Strohbehn

Lloyd A Linstrom

Robert J Heins

Don M Gruenbacher

An autonomous navigation system for an orbital platform incorporating a global positioning system based navigation device optimized for low-Earth orbit and medium-Earth orbit applications including a 12 channel, GPS tracking application-specific integrated circuit () operating in concert with a computer system () implementing an extended Kalman filter and orbit propagator which autonomously generates estimates of position, velocity and time to enable planning, prediction and execution of event-based commanding of mission operations.

Extended kalman filter for autonomous satellite navigation system

An autonomous navigation system for an orbital platform incorporating a global positioning system based navigation device optimized for low-Earth orbit and medium-Earth orbit applications including a 12-channel, GPS tracking application-specific integrated circuit operating in concert with a microprocessor implementing an extended Kalman filter and orbit propagator which autonomously generates estimates of position, velocity, and time to enable planing, prediction and execution of event-based commanding of mission operations.

Autonomous satellite navigation system

Growing community of inventors

Columbia, MD, United States of America

Albert A Chacos