Comet 9P/Tempel 1 Ephemeris Development for the Deep Impact Mission (AAS 06-178)
The Orbital Dynamics Environment of 433 Eros (AAS 01-373)
Automated Detection of Potentially Hazardous Near-Earth Encounters (AAS 01-461)
Predicting Close Approaches and Estimating Impact Probabilities for Near Earth Objects (AAS 99-462)
Preliminary Planning for Near's Low-Altitude Operations at 433 EROS (AAS 99-465)
Orbit Determination and Estimation of Impact Probability for Near Earth Objects (AAS 99-002)