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Experts on Asteroids

Asteroids are minor planets, especially those of the inner Solar System. The larger ones have also been called planetoids. These terms have historically been applied to any astronomical object orbiting the Sun that did not show the disc of a planet and was not observed to have the characteristics of an activecomet. As minor planets in the outer Solar System were discovered and found to have volatile-based surfaces that resemble those of comets, they were often distinguished from asteroids of the asteroid belt.[1] In this article, the term "asteroid" is restricted to the minor planets of the inner Solar System or co-orbital with Jupiter.

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Name Missions & Mission Experience Targets Techniques Major Facilities & Instrument Development
balta's picture
J. Brian Balta 		Asteroids, Earth, Mars, Vesta Geochemistry, Geology, Meteoritics, Petrology
gbenedix's picture
Gretchen Benedix 		Asteroids, Mars, Meteorites, Moon Crater Counting, Education/Public Outreach (EPO), Electron Microscopy, Geochemistry, Geology, Mineralogy, Petrology, Scanning Electron Microscopy, Spectroscopy FTIR
tburbine's picture
Tom Burbine 		Asteroids Meteoritics
mchojnacki's picture
Matthew Chojnacki 		Mars Odyssey, MER, MRO, OSIRIS-REx ** Data archive, Data validation, Mission operations, Science operations Asteroids, Earth, Mars Geology, Geomorphology, Mapping, Remote sensing, Spectroscopy, Thermal Emission Spectroscopy Cameras
rclark's picture
Roger Clark 		Cassini, Chandrayaan 1 (India), Europa Clipper, Galileo, Mars Global Surveyor, Mars Observer, MRO ** Instrument Co-Investigator, Mission Co-Investigator Asteroids, Ceres, Comets, Dwarf planets, Earth, Exoplanets, Icy satellites, Interplanetary Dust, Io, Jupiter, Kuiper Belt, Mars, Mercury, Moon, Neptune, Planetary rings, Pluto, Saturn, Small satellites, Titan, Uranus, Venus, Vesta Geology, Ground-based observing, Mapping, Mineralogy, Numerical modeling, Photometry, Remote sensing, Space-based observing, Spectroscopy
jpcombe's picture
Jean-Philippe Combe 		Cassini, Chandrayaan 1 (India), Dawn, Mars Express (ESA), Rosetta ** Calibration/Test planning, Mission Co-Investigator, Mission science team Asteroids, Ceres, Comets, Earth, Enceladus, Europa, Icy satellites, Mars, Moon, Phobos, Planetary rings, Titan, Vesta Education/Public Outreach (EPO), Field Work, Laboratory Spectroscopy, Mapping, Mineralogy, Numerical modeling, Photometry, Remote sensing, Space-based observing, Spectroscopy Cameras, FTIR, Imaging spectrometers, Spectrometers, Thermal radiometers
swcourville's picture
Samuel Courville 		Asteroids, Mars, Moon Field Work, Gravity, Numerical modeling, Radar
drd's picture
Don Davis 		Apollo Asteroids, Moon, Vesta Celestial Mechanics, Ground-based observing, Numerical modeling
domingue's picture
Deborah Domingue Lorin 		MER, MESSENGER Asteroids, Icy satellites, Mercury, Moon Photometry, Spectroscopy Cameras, Spectrometers
rgaskell's picture
Robert Gaskell 		Cassini, Dawn, MESSENGER, OSIRIS-REx, Rosetta, Voyager Asteroids, Comets, Earth, Icy satellites, Io, Mars, Mercury, Moon, Small satellites, Vesta Shape modeling
rghent's picture
Rebecca Ghent 		LRO, Mars 2020, OSIRIS-REx Asteroids, Earth, Mars, Mercury, Moon, Venus Remote sensing, Radar, Tectonics, Volcanism, Numerical modeling, Geology, Ground-based observing, Mapping
graps's picture
Amara Graps 		Cassini, Dawn, Galileo, IRAS, New Horizons, Rosetta, Ulysses, Voyager ** Calibration/Test planning, Data archive, Data validation, Instrument operations, Mission science team, Requirements generation and flow down, Science operations Asteroids, Ceres, Comets, Dwarf planets, Enceladus, Icy satellites, Interplanetary Dust, Io, Io torus, Jupiter, Meteorites, Moon, Planetary rings, Saturn, Small satellites, Solar particles/Solar wind, Uranus, Vesta Astrobiology, Education/Public Outreach (EPO), Ground-based observing, Magnetospherics, Numerical modeling, Photometry, Remote sensing, Shape modeling, Space-based observing, Volcanism IRTF, Palomar ** Cameras, Dust counter
jgrier's picture
JA Grier 		Asteroids, Ceres, Mars, Mercury, Moon, Small satellites, Vesta Crater Counting, Education/Public Outreach (EPO), Geology, Remote sensing, Spectroscopy
nader's picture
Nader Haghighipour 		Asteroids, Earth, Exoplanets, Gas giants Celestial Mechanics
hartmann's picture
Bill Hartmann 		Mariner 9, Mars Express (ESA), Mars Global Surveyor Asteroids, Comets, Earth, Mars, Meteorites, Moon, Small satellites Crater Counting, Education/Public Outreach (EPO), Ground-based observing, Volcanism
ahendrix's picture
Amanda Hendrix 		Cassini, Galileo, HST, IUE, LRO, Mariner 10, Mariner 9 ** Data archive, Deputy Mission PI, Instrument Co-Investigator, Mission science team, Requirements generation and flow down, Science operations Asteroids, Callisto, Ceres, Deimos, Enceladus, Europa, Ganymede, Iapetus, Icy satellites, Io, Io torus, Moon, Phobos, Planetary rings, Small satellites, Vesta Photometry, Remote sensing, Space-based observing, Spectroscopy Spectrometers
hhsieh's picture
Henry Hsieh 		Asteroids, Comets, Interplanetary Dust, Small satellites Astrobiology, Education/Public Outreach (EPO), Ground-based observing, Numerical modeling, Photometry, Space-based observing, Spectroscopy
cjohnson's picture
Catherine Johnson 		MESSENGER, OSIRIS-REx Asteroids, Earth, Mars, Mercury, Moon, Small satellites, Venus Tectonics, Volcanism, Education/Public Outreach (EPO), Magnetospherics
jkargel's picture
Jeffrey Kargel 		Cassini, Galileo, Mars Global Surveyor, Mars Observer, Mars Odyssey, Mars Pathfinder, Mars Polar Lander, MESSENGER, MSL, New Horizons, Voyager ** Mission science team Asteroids, Ceres, Earth, Enceladus, Europa, Icy satellites, Io, Mars, Mercury, Pluto, Titan, Trans-Neptunian objects, Venus Astrobiology, Climate, Field Work, Geochemistry, Geology, Geomorphology, Remote sensing
lecorre's picture
Lucille Le Corre 		Cassini, Dawn, Hayabusa 1 (Japan), Hayabusa2 (Japan), OSIRIS-REx ** Calibration/Test planning, Data archive, Science operations Asteroids, Ceres, Dwarf planets, Europa, Icy satellites, Meteorites, Small satellites, Titan, Vesta Geology, Geomorphology, Ground-based observing, Mapping, Mineralogy, Remote sensing, Shape modeling, Space-based observing, Spectroscopy IRTF ** Cameras, Imaging spectrometers, Spectrometers
lebofsky's picture
Larry Lebofsky 		Asteroids, Ceres, Dwarf planets, Exoplanets, Icy satellites, Meteorites, Moon, Pluto, Small satellites Education/Public Outreach (EPO), Ground-based observing
slee's picture
Steven Lee 		Asteroids, Earth, Mars, Meteorites Focused Ion Beam, Geochemistry, Mineralogy, Petrology, Scanning Transmission Electron Microscopy, X-Ray Diffraction
jyli's picture
Jian-Yang Li 		Chang'E 2 (China), Dawn, Deep Impact, EPOXI, HST, OSIRIS-REx, Stardust-NExT ** Calibration/Test planning, Data archive, Data validation, Mission science team, Science operations Asteroids, Ceres, Comets, Dwarf planets, Interplanetary Dust, Small satellites, Vesta Ground-based observing, Mapping, Photometry, Remote sensing, Space-based observing, Thermal modeling ALMA, Gemini, Palomar
elilly's picture
Eva Lilly 		Asteroids, Comets, Kuiper Belt Astrometry, Education/Public Outreach (EPO), Photometry Gemini, Keck Observatory, Pan-STARRS
tmccord's picture
Tom McCord 		Apollo, Cassini, Chandrayaan 1 (India), Dawn, Europa Clipper, Galileo, Mariner 9, Mars Express (ESA), Rosetta ** Calibration/Test planning, Data archive, Data validation, Instrument Co-Investigator, Instrument PI, Mission science team, Optical design, Requirements generation and flow down, Science operations Asteroids, Callisto, Ceres, Comets, Earth, Enceladus, Europa, Ganymede, Iapetus, Icy satellites, Mars, Mercury, Meteorites, Moon, Small satellites, Titan, Vesta Geochemistry, Geology, Laboratory Spectroscopy, Mineralogy, Remote sensing, Spectroscopy, Thermal modeling Cerro Tololo, IRTF, Kitt Peak, Palomar ** Cameras, FTIR, Imaging spectrometers, Spectrometers
mest's picture
Scott Mest 		Dawn, LRO, Mars Odyssey, MRO Asteroids, Ceres, Dwarf planets, Mars, Moon, Vesta Remote sensing, Geology, Crater Counting, Geomorphology, Mapping
jmolaro's picture
Jamie Molaro 		OSIRIS-REx Asteroids, Ceres, Comets, Enceladus, Europa, Icy satellites, Moon Education/Public Outreach (EPO), Field Work, Geomorphology, Numerical modeling, Thermal modeling
mueller's picture
Beatrice Mueller 		Asteroids, Comets, Trans-Neptunian objects Education/Public Outreach (EPO), Ground-based observing, Photometry Cerro Tololo, Kitt Peak
neese's picture
Carol Neese 		Cassini, Dawn, OSIRIS-REx ** Data archive Asteroids, Ceres, Dwarf planets, Icy satellites, Interplanetary Dust, Kuiper Belt, Meteorites, Pluto, Small satellites, Vesta
rnelson's picture
Robert Nelson 		Cassini, Voyager Asteroids, Comets, Dwarf planets, Exoplanets, Icy satellites, Io, Mercury, Moon, Small satellites, Titan Photometry, Remote sensing, Spectroscopy
eldar's picture
Eldar Noe Dobrea 		Dawn, LRO, Mars Express (ESA), Mars Odyssey, MER, MRO, MSL ** Calibration/Test planning, Data validation, Instrument Co-Investigator, Mission Co-Investigator, Mission operations, Mission science team, Science operations Asteroids, Ceres, Earth, Mars, Moon, Venus Astrobiology, Geology, Geomorphology, Mineralogy, Remote sensing, Spectroscopy Cameras, FTIR, Spectrometers
obrien's picture
David O'Brien 		Dawn Asteroids, Ceres, Comets, Dwarf planets, Exoplanets, Icy satellites, Small satellites, Vesta Astrobiology, Numerical modeling, Remote sensing
cpieters's picture
Carle Pieters 		Chandrayaan 1 (India), Clementine, Dawn ** Instrument PI, Mission Co-Investigator Asteroids, Moon Laboratory Spectroscopy, Remote sensing Cameras, Imaging spectrometers
prettyman's picture
Thomas Prettyman 		Dawn, Lunar Prospector, Mars Odyssey, Psyche ** Calibration/Test planning, Data archive, Data validation, Electronics design, Flight Software, Instrument operations, Instrument PI, Mission Co-Investigator, Mission operations, Mission science team, Requirements generation and flow down Asteroids, Ceres, Comets, Dwarf planets, Earth, Mars, Meteorites, Moon, Small satellites, Vesta 3D Printing, Education/Public Outreach (EPO), Field Work, Gamma-ray spectroscopy, Geochemistry, Geology, Mapping, Neutron detectors, Neutron spectroscopy, Numerical modeling, Remote sensing, Shape modeling Gamma-ray detectors, Neutron detectors
jerichardsonjr's picture
James Richardson Jr. 		Deep Impact, EPOXI ** Mission science team Asteroids, Comets, Icy satellites, Moon Geomorphology, Impacts, Numerical modeling, Radar Arecibo
nalin's picture
Nalin Samarasinha 		Asteroids, Comets, Kuiper Belt Education/Public Outreach (EPO), Ground-based observing, Numerical modeling, Remote sensing Cerro Tololo, Kitt Peak
jsanchez's picture
Juan Sanchez 		Asteroids, Meteorites, Small satellites Spectroscopy, Remote sensing, Photometry, Ground-based observing, Mineralogy
srs's picture
Stephen Schwartz 		Hayabusa2 (Japan), OSIRIS-REx ** Instrument Co-Investigator, Mission Co-Investigator, Mission science team Asteroids, Comets, Deimos, Icy satellites, Interplanetary Dust, Kuiper Belt, Phobos, Planetary rings, Trans-Neptunian objects Celestial Mechanics, Education/Public Outreach (EPO), Impacts, Numerical modeling, Photometry
rsheppard's picture
Rachel Sheppard 		MSL ** Mission science team, Science operations Asteroids, Earth, Icy satellites, Mars Field Work, Geochemistry, Geology, Laboratory Spectroscopy, Mapping, Mineralogy, Remote sensing, Spectroscopy, X-Ray Diffraction FTIR, Imaging spectrometers, Spectrometers, X-Ray Diffractometers
asickafoose's picture
Amanda Sickafoose 		Asteroids, Charon, Dwarf planets, Interplanetary Dust, Kuiper Belt, Moon, Planetary rings, Pluto, Trans-Neptunian objects Astrometry, Atmospheres, Ground-based observing, Numerical modeling, Photometry, Space-based observing, Spectroscopy Cerro Tololo, Gemini, IRTF, Kitt Peak, SOFIA ** Cameras, Dust counter, Imaging spectrometers, Spectrometers
msiegler's picture
Matt Siegler 		Apollo, Chang'E 1 (China), Chang'E 2 (China), CLPS 2022 Lunar South Pole, CLPS 2023 Lunar Crisium, LCROSS, LRO, Lunar Prospector, Mariner 10, Mars Insight, Mars Polar Lander, MESSENGER, OSIRIS-REx, Phoenix Mars Lander, VIPER ** Calibration/Test planning, Data archive, Data validation, Instrument Co-Investigator, Mission Co-Investigator, Mission science team, Science operations Asteroids, Mars, Mercury, Moon Celestial Mechanics, Education/Public Outreach (EPO), Ground-based observing, Neutron spectroscopy, Planetary Interiors, Radar, Remote sensing, Thermal modeling Arecibo, VLA ** Geothermal heat flow probes, Microwave radiometers, Seismometers, Thermal radiometers
zsmith's picture
Zach Smith 		Asteroids
ssonnett's picture
Sarah Sonnett 		NEOWISE Asteroids, Comets, Dwarf planets, Trans-Neptunian objects Astrobiology, Astrometry, Education/Public Outreach (EPO), Ground-based observing, Numerical modeling, Photometry, Shape modeling, Space-based observing, Spectroscopy, Thermal Emission Spectroscopy Kitt Peak ** Cameras
jsteckloff's picture
Jordan Steckloff 		Cassini, EPOXI, Stardust-NExT Asteroids, Ceres, Charon, Comets, Dwarf planets, Icy satellites, Kuiper Belt, Mercury, Moon, Pluto, Small satellites, Titan, Trans-Neptunian objects, Vesta Celestial Mechanics, Education/Public Outreach (EPO), Numerical modeling, Thermal modeling
sykes's picture
Mark Sykes 		Dawn, HST, IRAS, ISO (ESA), MSX, NEOWISE, Spitzer ** Data archive, Mission Co-Investigator, Mission science team, Science operations Asteroids, Ceres, Charon, Comets, Deimos, Dwarf planets, Interplanetary Dust, Mars, Mercury, Moon, Phobos, Pluto, Small satellites, Vesta Ground-based observing, Photometry, Radiometry, Remote sensing, Space-based observing ALMA, IRTF, Kitt Peak, MMT, SMT
eft's picture
Ed Tedesco 		IRAS, ISO (ESA), IUE, MSX, NEOSSat (Canada), Spitzer ** Calibration/Test planning, Data archive, Data validation, Deputy Mission PI, Mission Co-Investigator, Mission science team, Requirements generation and flow down, Science operations Asteroids, Ceres, Dwarf planets, Pluto, Small satellites, Vesta Astrometry, Ground-based observing, Photometry, Radiometry, Remote sensing, Space-based observing Cerro Tololo, IRTF, Kitt Peak, Palomar ** Cameras
btravis's picture
Bryan Travis 		Asteroids, Ceres, Earth, Icy satellites, Mars Astrobiology, High-Throughput Computing (HTC), Mineralogy, Numerical modeling, Remote sensing, Space-based observing
fvilas's picture
Faith Vilas 		Hayabusa 1 (Japan), Hayabusa2 (Japan), LCROSS, LRO, MESSENGER Asteroids, Dwarf planets, Mercury, Moon, Small satellites Ground-based observing, Remote sensing, Space-based observing, Spectroscopy Cerro Tololo, MMT ** Cameras, Spectrometers
kvolk's picture
Kathryn Volk 		Asteroids, Comets, Exoplanets, Kuiper Belt, Trans-Neptunian objects Celestial Mechanics, Ground-based observing Kitt Peak, LBT
sjw's picture
Stu Weidenschilling 		Asteroids, Comets, Exoplanets, Meteorites, Small satellites, Trans-Neptunian objects High-Throughput Computing (HTC), Numerical modeling
jweirich's picture
John Weirich 		OSIRIS-REx ** Spacecraft navigation Asteroids, Enceladus, Iapetus, Mercury, Meteorites, Moon, Small satellites Geochemistry, Geology, Impacts, Mass spectrometry, Meteoritics, Mineralogy, Scanning Transmission Electron Microscopy, Shape modeling Electron Microprobe, Mass spectrometers
pweissman's picture
Paul Weissman 		Galileo, Rosetta Asteroids, Comets, Kuiper Belt, Small satellites Education/Public Outreach (EPO), Ground-based observing, Numerical modeling, Photometry, Remote sensing, Space-based observing
lwilliamson's picture
Lucy Williamson 		Data archive, Instrument Co-Investigator Asteroids, Exoplanets Field Work, Ground-based observing, Photometry, Spectroscopy Cameras, Imaging spectrometers, Spectrometers
swood's picture
Stephen Wood 		Mars Polar Lander, Phoenix Mars Lander ** Calibration/Test planning, Data archive, Flight Software, Instrument Co-Investigator, Instrument operations, Mission science team, Requirements generation and flow down, Science operations Asteroids, Callisto, Ceres, Earth, Icy satellites, Mars, Mercury, Moon Astrobiology, Atmospheres, Climate, Geomorphology, Laboratory Spectroscopy, Numerical modeling, Radiometry, Remote sensing, Thermal Emission Spectroscopy, Thermal modeling Cameras, Imaging spectrometers, FTIR
yamashita's picture
Naoyuki Yamashita 		Dawn, Kaguya (Japan) ** Calibration/Test planning, Data archive, Data validation, Instrument operations, Mission science team Asteroids, Ceres, Mars, Moon, Vesta Gamma-ray spectroscopy, Neutron spectroscopy, Numerical modeling, Remote sensing Gamma-ray detectors, Neutron detectors
zouxd's picture
Xiao-Duan Zou 		Chang'E 1 (China), Chang'E 2 (China), Chang'E 3 (China), OSIRIS-REx ** Calibration/Test planning, Data archive, Data validation, Mission science team, Science operations Asteroids, Comets, Moon Crater Counting, Education/Public Outreach (EPO), Geology, Geomorphology, Impacts, Mapping, Photometry, Remote sensing, Shape modeling, Spectroscopy Cameras, Imaging spectrometers, Spectrometers
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