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4 papers · 2 filters
Spitzer Observations of Spacecraft Target 162173 (1999 JU3)
H. Campins, J. P. Emery, M. Kelley +5
Near-Earth asteroid 162173 (1999 JU3) is the primary target of the Hayabusa-2 sample return mission, and a potential target of the Marco Polo sample return mission. Earth-based stu…
Global circulation as the main source of cloud activity on Titan
Sébastien Rodriguez, Stéphane Le Mouélic, Pascal Rannou +11
Clouds on Titan result from the condensation of methane and ethane and, as on other planets, are primarily structured by circulation of the atmosphere. At present, cloud activity m…
Albedos of Small Jovian Trojans
Y. R. Fernandez, D. Jewitt, J. E. Ziffer
We present thermal observations of 44 Jovian Trojan asteroids with diameters (D) ranging from 5 to 24 km. All objects were observed at a wavelength of 24 microns with the Spitzer S…
Photometric Orbits of Extrasolar Planets
Robert A. Brown
We define and analyze the photometric orbit (PhO) of an extrasolar planet observed in reflected light. In our definition, the PhO is a Keplerian entity with six parameters: semimaj…