Solar system montage with eight planets

Paul Chodas

Manager, NASA NEO Program Office, Jet Propulsion Laboratory

Paul Chodas is the Manager of the NASA NEO Program Office at JPL. Paul received his Ph.D. from the University of Toronto and is an authority on asteroid dynamics and impact probabilities. He is the principal architect for orbit determination and ephemeris software used by the JPL NEO Program Office and a co-developer of the Sentry impact monitoring system.

Latest Planetary Radio Appearances

Planetary Radio Live: Near Earth Objects—The Killer Asteroid Threat

Leaders of the quest to find, understand and protect ourselves from the asteroids and comets called Near Earth Objects gathered with host Mat Kaplan for a live conversation about this existential threat from space.

Saving the Planet: Voices From the Planetary Defense Conference

We’ve already brought you Planetary Radio Live from the 2015 PDC near Rome, Italy. Now you’ll hear a small sampling of the scientists, engineers, policymakers and media experts who spent five days considering how humanity will respond to a potentially disastrous threat. Bruce Betts celebrates the great Jupiter-Venus conjunction in What’s Up. Bill Nye and Emily Lakdawalla return next week.

Saving the Planet at the Planetary Defense Conference

Planetary Radio Live was the only public event at the just-completed Planetary Defense Conference in Italy. Join us for excerpts from an all-star celebration of worldwide efforts to find, track, characterize and eventually deflect killer Near-Earth Objects.