The other areas they cover are attitude determination, trajectory optimization, spacecraft dynamics, spacecraft autonomy, estimation, mission design, guidance and control, attitude dynamics and control
, dynamics and perturbations, orbital debris and space environment, satellite constellations, dynamics: models, orbit determination, spacecraft relative motion, asteroid and non-Earth orbiting missions, space situational awareness, spacecraft rendezvous, and navigation.
He specializes in flight mechanics and control, and his research areas include attitude dynamics and control
, re-entry flight dynamics and control, non-linear optimal control and active control of flexible flight and structures.
Among the discussions are dynamical systems and trajectory design, orbital dynamics and estimation, launch and reentry operations, asteroid and cometary missions, attitude determination and sensors, low-thrust trajectory design, astrodynamic innovation and data sharing, small body proximity operations, spacecraft guidance and control, astrodynamics techniques, CubeSat and NanoSat missions, flight mechanics aspects of the LADEE Mission, attitude dynamics and control
, orbit determination, and dynamics and control of large space structures and tethers.