Meteor Shower Association and Planet-X Investigated by Pan-STARRS PS1 Survey

Details Meteor Shower Association and Planet-X Investigated by Pan-STARRS PS1 Survey Meteor Shower Association and Planet-X Investigated by Pan-STARRS PS1 Survey

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008dps....40.2706a&link_type=abstract

American Astronomical Society, DPS meeting #40, #27.06; Bulletin of the American Astronomical Society, Vol. 40, p.435

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Moving Object Processing System (MOPS) is the pipeline system to discover and identify Near-Earth Objects (NEOs) larger than 300 m in diameter together with other classes of asteroids, comets and distant objects (ref.; Jedicke et al. in this meeting).
In order to investigate ability and efficiency of the Pan-STARRS PS1 (the Panoramic Survey Telescope and Rapid Response System, prototype telescope), we present 2 simulations for the inner solar system (ISS) and outer solar system (OSS) regions.
For OSS simulation, we use 10K orbital clones of trans-Plutonian planets (Planet-X: aphelion=100-175 AU, q>80; AU, i= 20-40° with 0.3-0.7 Earth mass), that was predicted by P. Lykawka and T. Mukai (2008). Based on our simulation, PS1 survey is able to detect Planet-X within single lunation if the object locates about ±80; years before or after the perihelion passage. In addition, morning or evening sweet spot survey for Planet-X is more efficient than opposition survey.
On the other, the ISS simulation is carried out using several 10Ks realistic orbits under some specific conditions referring to meteor-fireball database catalogued by IAU and PDS. RMS residual for derived meteor associations are estimated about 0.025 arcsec. The minimum orbit intersection distance (MOID) of meteor association seems to be evolved as a function of time (ref.; Mikael et al. in this meeting). We are now preparing MOPS Alert System which inform us of interesting objects followed by restricted rules like orbital similarities. We will present these 2 simulations in detail and will take a meteor association alert as an example of MOPS alert system.

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