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This person is permanently under construction.
The package includes a new ``hybrid'' symplectic integrator
capable of handling close encounters, described at the conference:
The Impact of Modern Dynamics in Astronomy, Namur, Belgium (Chambers 1998).
Professional Experience and Education
1999 - present
NRC Research Associate, NASA/Ames Research Center, Moffett Field CA, USA, planetary accretion, formation of the asteroid belt and extra-solar planets.
1996 - 2001
Research Astronomer, Armagh Observatory, Northern Ireland, UK, orbital dynamics and numerical integration techniques.
1994 - 1996
Postdoctoral fellow, Carnegie Institution of Washington, Washington DC, USA, studying the late stages of terrestrial planet formation.
1992 - 1994
Predoctoral fellow, Harvard-Smithsonian Center for Astrophysics, Cambridge MA, USA, working on the orbital dynamics of comets.
1990 - 1994
Ph.D. in astronomy, Manchester University, Manchester, UK.
Thesis title: The Dynamics of Halley-Type Comets.
1987 - 1990
B.A. in physics, University College, Oxford University, Oxford, UK.
To read the abstracts of these and other fascinating papers check out NASA's ADS Abstract Service.
Extrasolar Planets
Extrasolar Trojans: The Viability and Detectability of Planets in the 1:1 Resonance
G.Laughlin and J.E.Chambers (2002) Astronomical Journal,, in press.
A Dynamical Analysis of the 47 UMa Planetary System
G.Laughlin, J.E.Chambers and D.Fischer (2002) Astrophysical Journal,, submitted.
Short-Term Dynamical Interactions Among Extrasolar Planets
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G.Laughlin and J.E.Chambers (2001) Astrophysical Journal Letters,, 551, L109-113.
Stability of the Orbits of Terrestrial Planets in the Habitable Zones of Known Exoplanetary Systems
B.W.Jones, P.N.Sleep and J.E.Chambers (2001) Astronomy & Astrophysics, 366, 254-262.
Terrestrial Planet Formation in Extrasolar Systems
J.E.Chambers (2000) Bull. American Astron. Soc., 32, 1050.
Planetary Systems
Planet V and the Origin of the Lunar Late Heavy Bombardment
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J.E.Chambers, J.J.Lissauer and A.Morbidelli (2001) Bull. American Astron. Soc., 33, 1082.
Making More Terrestrial Planets
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J.E.Chambers (2001) Icarus, 152, 205-224.
A Plausible Cause of the Late Heavy Bombardment
A.Morbidelli, J.-M.Petit, B.Gladman and J.E.Chambers (2001) Meteoritics, 36,371-380.
Comparing Planetary Accretion in Two and Three Dimensions
J.E.Chambers (2001) Icarus, 149, 262-276.
Source Regions and Timescales for the Delivery of Water on Earth
A.Morbidelli, J.Chambers, J.I.Lunine, J.M.Petit, F.Robert G.B.Valsecchi and K.E.Cyr (2000) Meteoritics, 35, 1309-1320.
N-Body Simulations of Planet Formation: Varying the Initial Number of Planetary Embryos.
J.E.Chambers (1998) Earth, Moon and Planets, 81, 3-6.
Postscript copy
How Special is Earth's Orbit?
J.E.Chambers (1998) Bull. American Astron. Soc., 30, 1051.
Making the Terrestrial Planets: N-Body Integrations of Planetary Embryos in Three Dimensions.
J.E.Chambers and G.W.Wetherill (1998) Icarus, 136, 304-327.
Postscript copy
Searching for Other Planetary Systems.
J.E.Chambers (1997) Stardust, (magazine of the Irish Astronomical Association), October 1997.
Postscript copy
The Stability of Multi-Planet Systems.
J.E.Chambers, G.W.Wetherill and A.P.Boss (1996) Icarus, 119, 261-268.
Postscript copy
N-Body Simulations of the Formation of the Inner Planets.
J.E.Chambers and G.W.Wetherill (1996) Bull. American Astron. Soc., 28, 1107-1108.
Numerical Integrations of the Accretion of Planetary Embryos.
J.E.Chambers and G.W.Wetherill (1996) Lunar & Plan. Sci., 27, 203.
N-Body Integrators
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Symplectic Integrator Algorithms for Modelling Planetary Accretion in Binary Star Systems
J.E.Chambers, E.V.Quintana, M.J.Duncan and J.J.Lissauer (2002) Astronomical Journal, in press.
Pseudo-High-Order Symplectic Integrators.
J.E.Chambers and M.A.Murison (2000) Astronomical Journal, 119, 425-433.
Postscript copy
On Computer Algebra Generation of Symplectic Integrator Methods.
M.A.Murison and J.E.Chambers (1999) American Astronomical Society, DDA meeting 31, 08.03
A Symplectic Integration Scheme that Allows Close Encounters between Massive Bodies.
J.E.Chambers (1999) IAU Colloquium 172, `The Impact of Modern Dynamics in Astronomy, 449-450.
Postscript copy
A Hybrid Symplectic Integrator that Permits Close Encounters between Massive Bodies.
J.E.Chambers (1999) Monthly Notices of Royal Astron. Soc., 304, 793-799.
Postscript copy
Mercury - A New Software Package for Orbital Integrations.
J.E.Chambers and F.Migliorini (1997) Bull. American Astron. Soc., 29, 1024.
Asteroids
The Primordial Excitation and Clearing of the Asteroid Belt.
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J.-M.Petit, A.Morbidelli and J.E.Chambers (2001) Icarus, 153, 338-347.
Planets in the Asteroid Belt.
J.E.Chambers and G.W.Wetherill (2001) Meteoritics, 36, 381-400.
Planets in the Asteroid Belt.
J.E.Chambers (1999) Bull. American Astron. Soc., 31,
Planetary Formation and Asteroid Excitation.
J.-M.Petit, A.Morbidelli and J.E.Chambers (1999) Bull. American Astron. Soc., 31,
Numerical Integration Study of Primordial Clearing of the Asteroid Belt.
G.W.Wetherill and J.E.Chambers (1997) Lunar and Plan. Sci., 28, 1547.
Numerical Integration Study of Earth Impact by Meteoroids from the 3:1 Resonance.
G.W.Wetherill and J.E.Chambers (1997) Lunar and Plan. Sci., 28, 1545.
Comets
Why Halley-Types Resonate but Long-Period Comets Don't.
J.E.Chambers (1997) Icarus, 125, 32-38.
Postscript copy
The Long-Term Dynamical Evolution of Comet Swift-Tuttle.
J.E.Chambers (1995) Icarus, 114, 372-386.
A Simple Mapping for Comets in Resonance.
J.E.Chambers (1993) Celestial Mechanics & Dynamical Astronomy, 57, 131-136.
Transfer Probabilities between Jupiter and Saturn-family Orbits: Application to 1992 AD = 5145.
M.E.Bailey, J.E.Chambers, G.Hahn, J.Scotti and G.Tancredi (1992) Proceedings of the 30th Liège International Astrophys. Coll., Liège, Belgium, eds. A.Brahic et al., 285-287.
The Origin of Sungrazers: A Frequent Cometary Endstate.
M.E.Bailey, J.E.Chambers and G.Hahn (1992) Astronomy & Astrophysics, 257, 315-322.
Other
Fractionated Accretion and the Solar Neutrino Problem.
C.S.Jeffery, M.E.Bailey and J.E.Chambers (1997) The Observatory, 117, 224-228.
Is Pluto a Major Planet?
D.W.E.Green, J.E.Chambers and G.V.Williams (1994) Sky & Telescope, August 1994.
Detection of Comet Nuclei at Large Heliocentric Distances.
M.E.Bailey, J.E.Chambers and G.Hahn (1992) Monthly Notices of Royal Astron. Soc., 254, 581--588.
Information about my work on planetary systems.
Latest extra-solar planet discoveries:
Latest news on extra-solar planets.
Home page of planet hunters Marcy and Butler.
Planets orbiting pulsars.
What's new with the Hubble space telescope or the Hipparcos mission.
Get the latest orbital elements of asteroid 3035 Chambers and other solar system objects at the Minor Planet Center.
Up to date information on comets at JPL Comet Observation homepage or about other solar system objects at JPL Solar System Dynamics homepage.
Generate 3D starmaps.
Scientific societies:
American Astronomical Society.
American Physical Society.
Royal Astronomical Society.
UK Planetary Forum.
Lunar and Planetary Institute, Houston, Texas.
Science journals:
Nature magazine.
Science magazine.
New Scientist.
Scientific American
NASA research opportunities and NASA grant proposals web sites.
Here is a site listing upcoming astronomy meetings.
Find out the latest gossip about astronomy jobs from the Astrophysics Rumour Mill.
Enter Linds's World.
See what's new according to CNN.
Convert your foreign currency here.
Check the most recent British and world soccer results.
Play Go on the Internet Go Server.
Assorted trivial pursuits:
Various musings on science fiction.
Visit the ultimate Curve home page.
Here's an above-average site dedicated to The Simpsons.
Find out the truth! Enter the Dilbert zone.
Generate anagrams.
Find absolutely anything with the Yahoo directory.
Experience the rather disturbing art and science of Marc Murison or find out about my office mate Simon Jeffery.
How to write your own home page. There's more HTML information here.
See what's playing at the Queen's film theatre.
Drive yourself nuts filling in US income tax forms.
Loads of neat icons and animations.
This update message was last updated on 2 August 2001.