Occultation of UCAC4 556-138848 by (23106) 1999 XM191 on 2026-08-23 Green O+: Deborah Smith Optics: M250 | Method: VID | Duration: 1.11 -3.04,37.49,0 Red O-: Deborah Smith Optics: M300 | Method: VID | Duration: -2.54,37.11,0