Inflight calibration of the optical navigation camera for the extended mission phase of Hayabusa2 oleh Manabu Yamada, Toru Kouyama, Koki Yumoto, Eri Tatsumi, Naofumi Takaki, Yasuhiro Yokota, Tomokatsu Morota, Naoya Sakatani, Masahiko Hayakawa, Moe Matsuoka, Rie Honda, Chikatoshi Honda, Shingo Kameda, Hidehiko Suzuki, Yuichiro Cho, Kazuo Yoshioka, Kazunori Ogawa, Kei Shirai, Hirotaka Sawada, Seiji Sugita