DPS 49: Oct. 2017 - Provo, UT

DPS 48: Oct. 2016 - Pasadena, CA

DPS 47: Oct 2015 - National Harbor, MD

DPS 45: Oct. 2013 - Denver, CO

Washington, Chicago, NASA AMES, Cape Canaveral, & IAU Prague 2006

DPS 37: Sept. 2005 - Cambridge, England

DPS 36: Nov. 2004 - Louisville, KY

DPS 35: Sept. 2003 - Monterey, CA

NASA AMES 2002

NASA AMES, Mountain View, & JPL 2001

DPS 29: Jul. 1997 - Cambridge, MA

Versailles 1996

1995 IAU Spaceguard Workshop

Ithaca 1994

Erice, NASA AMES, Lowell Observatory Pluto Meeting, & Lago Maggiore 1993

DPS 24: Oct. 1992 - Munich, Germany

Outer Planets Science Working Group 1991

DPS 22: Oct. 1990 - Charlottesville, VA

DPS 21: Oct 1989 - Providence, RI

DPS 20: Oct. 1988 - Austin, TX

DPS 19: Nov. 1987 - Pasadena, CA

DPS 18: Nov. 1986 - Paris, France

DPS 17: Oct. 1985 - Baltimore, MD

DPS 16: Oct. 1984 - Kailua-Kona, HI

DPS 15: Oct. 1984 - Ithaca, NY

DPS 14: Oct 1982 - Boulder, CO

DPS 13: Oct. 1981 - Pittsburgh, PA

DPS 12: Oct. 1980 - Tucson, AZ

JPL Voyager and Galileo, Asteroids, Comet Sci WG, & Pioneer Saturn 1979

DPS 10: Oct. 1978 - Pasadena, CA

DPS 9: Oct. 1977 - Boston, MA

Tuscon, Viking, KAO, & Kitt Peak 1976

Moscow, Tuscon, Hawaii, NASA AMES, & KAO Dedication 1975

Kilauea, Ithaca, San Francisco AAAS, Mauna Kea, & NASA AMES 1974

DPS 4: Mar. 1973 - Tucson, AZ

DPS 3: Mar. 1972 - Kailua-Kona, HI

Galileo Aircraft & Kilauea 1971

Catalina Observatory, Tuscon, & Kilauea 1970

Catalina Observatory, Tuscon, Observatoire de Paris, & Kilauea 1968

IAU Symopsium Marfa, TX, McDonald Observatory, Ithaca, & Crimea 1969

1967 & Earlier