Thermophysical Modeling of 20 Themis Family Asteroids with WISE/NEOWISE Observations
Haoxuan Jiang,
Jianghui Ji
Abstract:Themis family is one of the largest and oldest asteroid populations in the main-belt. Water-ice may widely exist on the parent body (24) Themis. In this work, we employ the Advanced Thermophysical Model as well as mid-infrared measurements from NASA's Wide-Field Infrared Survey Explorer to explore thermal parameters of 20 Themis family members. Here we show that the average thermal inertia and geometric albedo are 39.5 ± 26.0 Jm −2 s −1/2 K −1 and 0.067 ± 0.018, respectively. The family members have a relative… Show more
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