Spectrophotometric Properties of 162173 Ryugu's Surface from the NIRS3 Opposition Observations

Deborah Domingue , Kohei Kitazato , Moe Matsuoka , Yasuhiro Yokota , Eri Tatsumi , Takahiro Iwata , Masanao Abe , Makiko Ohtake , Shuji Matsuura , Stefan Schröder , Faith Vilas , Antonella Barucci (1) , Rosario Brunetto , Driss Takir , Lucille Le Corre , Nicholas Moskovitz

1 LESIA - Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics

Examination of the opposition geometry properties show that Ryugu's surface regolith is commensurate with laboratory studies of the photometric behavior of powdered carbonaceous chondrites. The regolith is consistent with a broad grain size distribution that contains a fine-grained component.

Keywords: Asteroids; Surface photometry; Spectroscopy

Domains: Sciences of the Universe [physics]

Deborah Domingue, Kohei Kitazato, Moe Matsuoka, Yasuhiro Yokota, Eri Tatsumi, et al.. Spectrophotometric Properties of 162173 Ryugu's Surface from the NIRS3 Opposition Observations. The Planetary Science Journal, 2021, 2, ⟨10.3847/PSJ/ac14bb⟩. ⟨insu-03713750⟩