It was discovered by Tomimaru Okuni at the Nanyo Observatory on April 30, 1998.
It was discovered by Tomimaru Okuni at the Nanyo Observatory on April 21, 1996.
It was discovered by Tomimaru Okuni at the Nanyo Observatory in Nan'yō, Yamagata Prefecture, Japan, on October 29, 1997.
It was discovered by Tomimaru Okuni at the Nanyo Observatory in Nan'yō, Yamagata Prefecture, Japan, on October 5, 1997.