Space Interferometry Mission (SIM) PlanetQuest's Discovery Space and Potential Synergy with the Terrestrial Planet Finder (TPF): II. Orbit and Mass Characterization of Terrestrial Planets in the Habitable Zone

Details Space Interferometry Mission (SIM) PlanetQuest's Discovery Space and Potential Synergy with the Terrestrial Planet Finder (TPF): II. Orbit and Mass Characterization of Terrestrial Planets in the Habitable Zone Space Interferometry Mission (SIM) PlanetQuest's Discovery Space and Potential Synergy with the Terrestrial Planet Finder (TPF): II. Orbit and Mass Characterization of Terrestrial Planets in the Habitable Zone

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...206.1405t&link_type=abstract

American Astronomical Society Meeting 206, #14.05; Bulletin of the American Astronomical Society, Vol. 37, p.453

Astronomy and Astrophysics

Astronomy

Scientific paper

SIM PlanetQuest is a space-borne Michelson interferometer with a nine to ten meter baseline that will survey 200 stars within 30 parsecs for terrestrial mass planets. Ultra-precise astrometric observations will reveal the gravitational wobble of the target star (due to a planetary companion) against an intertial frame of reference stars within a one degree radius. Here, we report the results of multiple Monte Carlo orbital simulations which have modeled SIM's ability to determine the orbital parameters and masses of the target stars as well as the reference stars. By determining the orbital phase of the planet, SIM will be able to assist TPF-C by telling it when to look in order to ensure that the planet will be outside its 62 mas inner working angle. The masses determined by SIM will not suffer from the Msini ambiguity inherent in radial velocity surveys.
This work is carried out at the Jet Propulsion Laboratory, California Institute of Technology, under contract with NASA.

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