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COSINE (Cometary Object Study Investigating their Nature and Evolution) II: Colors and Sizes of Comet Nuclei
Yuna G. Kwon, Dar W. Dahlen, Joseph R. Masiero +6
Comet nuclei preserve a record of planetesimal formation, but their sizes are difficult to measure because the nucleus is usually blended with its coma. We present a catalog of nuc…
NEOWISE data and Thermophysical Modeling of 98943 Torifune (2001 CC21)
Edward L., Wright, Jospeh Masiero +1
The Hayabusa2# flyby target 98943 Torifune (2001 CC21) has an uncertain size based on an uncertain albedo and uncertain absolute magnitude. We have collected all the NEOWISE observ…
COSINE (Cometary Object Study Investigating their Nature and Evolution) I. Project Overview and General Characteristics of Detected Comets
Yuna G. Kwon, Dar W. Dahlen, Joseph R. Masiero +8
We present the first results from the COSINE (Cometary Object Study Investigating their Nature and Evolution) project, based on a uniformly processed dataset of 484 comets observed…
Visual-band brightnesses of Near Earth Objects that will be discovered in the infrared by NEO Surveyor
Joseph R. Masiero, Tyler Linder, Amy Mainzer +2
NEO Surveyor will detect asteroids and comets using mid-infrared thermal emission, however ground-based followup resources will require knowledge of the expected visible light brig…
The Sensitivity of NEO Surveyor to Low-Perihelion Asteroids
Joseph R. Masiero, Yuna G. Kwon, Dar W. Dahlen +2
Asteroids with low orbital perihelion distances experience extreme heating from the Sun that can modify their surfaces and trigger non-typical activity mechanisms. These objects ar…
NEOWISE Observations of Distant Active Long-period Comets C/2014 B1 (Schwartz), C/2017 K2 (Pan-STARRS), and C/2010 U3 (Boattini)
Dave G. Milewski, Joseph R. Masiero, Jana Pittichova +3
Hyperactive comet activity typically becomes evident beyond the frost line (3 to 4 au) where it becomes too cold for water-ice to sublimate. If carbon monoxide (CO) and carbon diox…