Occultation event with (16667) 93XM1, event index number 4675
Regions able to see the event: SAfrica
Geocentric closest approach at 2026/11/13 21:03:07 UTC
J2000 position of star is 06:05:40.3 +19:10:18
Equinox of date position of star is 06:07:15.4 +19:10:02
Star is 167 degrees from the moon. Moon is 18% illuminated.
Stellar brightness G=15.4, apparent brightess of occulting body is G=16.0
Use an exposure time of 0.70 seconds with the standard RECON-QHY system.
SNR of 6.3 per integration for unocculted signal
Expected flux drop is 64% with SNR of 4.1 for the occulted depth (per occulted point)
Apparent velocity is 11.8 km/sec on the sky relative to the star, or, 13.0 arcsec/hr.
Position angle of asteroid motion is 101.5 degrees
The recommended exposure time corresponds to 8.3 km per image.
The 1-sigma error in the time of the event is 0.3 seconds.
The 1-sigma cross-track error in the shadow position is 37.0 km.
The sky-plane scale is 3271.6 km/arcsec.
Diameter estimates:
42.3 km assuming a 5% albedo, maximum of 3.6 sec for a central chord
17.3 km assuming a 30% albedo, maximum of 1.5 sec for a central chord
Cross-track diameter of 35.4 km used for deployment plan.
Star training set for 16667_93XM1, (2026/11/13 21:03UT) Object RA Dec mag sep mel Betelgeuse 05:56:37.6 +07:24:35 0.4 12.04 156 Alhena 06:39:15.8 +16:22:26 1.9 8.11 169 64 Ori 06:05:02.7 +19:41:16 4.9 0.74 167 PPM 121943 06:09:12.7 +18:54:26 7.8 0.53 167 PPM 121887 06:07:14.1 +19:14:09 9.8 0.07 167 16667_93XM1 06:07:15.4 +19:10:02 16.0 167 Positions are for equinox of date
Star training set for 16667_93XM1, (2026/11/13 21:03UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 12.04 156 Alhena 06:37:42.8 +16:23:56 1.9 8.11 169 64 Ori 06:03:27.3 +19:41:26 4.9 0.74 167 PPM 121943 06:07:37.8 +18:54:45 7.8 0.53 167 PPM 121887 06:05:39.0 +19:14:24 9.8 0.07 167 16667_93XM1 06:05:40.3 +19:10:18 16.0 167 Positions are for J2000