Comet 9P/Tempel 1 Ephemeris Development for the Deep Impact Mission (AAS 06-178)
Near Earth Objects: Orbit Determination and Impact Prediction
The Orbital Dynamics Environment of 433 Eros (AAS 01-373)
Orbit Determination and Estimation of Impact Probability for Near Earth Objects (AAS 99-002)
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)
Targeting an Asteroid: The DSPSE Encounter With Asteroid 1620 Geographos (AAS 93-262)