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7 papers · 2 filters
Dynamical environments of MU69 and similar objects
Guillaume Rollin, Ivan I. Shevchenko, José Lages
We explore properties of the long-term dynamics of particles (moonlets, fragments, debris etc.) around KBO 2014 MU69 (Arrokoth), as well as around similar contact-binary objects po…
Potential asteroid discoveries by the ESA Gaia mission: Results from follow-up observations
B. Carry, W. Thuillot, F. Spoto +42
Since July 2014, the ESA Gaia mission has been surveying the entire sky down to magnitude 20.7 in the visible. In addition to the millions of stars, thousands of Solar System Objec…
Predictions of the Nancy Grace Roman Space Telescope Galactic Exoplanet Survey II: Free-Floating Planet Detection Rates
Samson A. Johnson, Matthew T. Penny, B. Scott Gaudi +5
The Nancy Grace Roman Space Telescope (Roman) will perform a Galactic Exoplanet Survey (RGES) to discover bound exoplanets with semi-major axes greater than 1 au using gravitationa…
Photometry and high-resolution spectroscopy of comet 21P/Giacobini-Zinner during its 2018 apparition
Y. Moulane, E. Jehin, P. Rousselot +7
We report on photometry and high resolution spectroscopy of the chemically peculiar Jupiter-family Comet (hereafter JFC) 21P/Giacobini-Zinner. Comet 21P is a well known member of t…
OSSOS XX: The Meaning of Kuiper Belt Colors
David Nesvorny, David Vokrouhlicky, Mike Alexandersen +9
Observations show that 100-km-class Kuiper belt objects (KBOs) can be divided in (at least) two color groups, hereafter red (R, g-i<1.2) and very red (VR, g-i>1.2), reflecting a di…
OSSOS: The Eccentricity and Inclination Distributions of the Stable Neptunian Trojans
Hsing Wen Lin, Ying-Tung Chen, Kathryn Volk +10
The minor planets on orbits that are dynamically stable in Neptune's 1:1 resonance on Gyr timescales were likely emplaced by Neptune's outward migration. We explore the intrinsic l…