Occultation event with (22014) 99XQ96, event index number 3600
Regions able to see the event: Australia
Geocentric closest approach at 2026/04/08 15:14:14 UTC
J2000 position of star is 10:59:59.8 -32:10:57
Equinox of date position of star is 11:01:14.9 -32:19:26
Star is 88 degrees from the moon. Moon is 65% illuminated.
Stellar brightness G=16.1, apparent brightess of occulting body is G=15.2
Use an exposure time of 0.70 seconds with the standard RECON-QHY system.
SNR of 3.2 per integration for unocculted signal
Expected flux drop is 30% with SNR of 0.9 for the occulted depth (per occulted point)
Apparent velocity is 16.3 km/sec on the sky relative to the star, or, 19.3 arcsec/hr.
Position angle of asteroid motion is 140.5 degrees
The recommended exposure time corresponds to 11.4 km per image.
The 1-sigma error in the time of the event is 2.4 seconds.
The 1-sigma cross-track error in the shadow position is 11.4 km.
The sky-plane scale is 3027.0 km/arcsec.
Diameter estimates:
54.5 km assuming a 5% albedo, maximum of 3.3 sec for a central chord
22.2 km assuming a 30% albedo, maximum of 1.4 sec for a central chord
Cross-track diameter of 39.5 km used for deployment plan.
Star training set for 22014_99XQ96, (2026/04/08 15:14UT) Object RA Dec mag sep mel Bet Cru 12:49:16.5 -59:49:55 1.3 32.79 61 Mu Vel 10:47:54.5 -49:33:34 2.8 17.41 81 PPM 288405 11:01:55.9 -31:58:48 6.0 0.37 88 PPM 288391 11:00:57.6 -32:22:50 8.3 0.08 88 22014_99XQ96 11:01:14.9 -32:19:26 15.2 88 Positions are for equinox of date
Star training set for 22014_99XQ96, (2026/04/08 15:14UT) Object RA Dec mag sep mel Bet Cru 12:47:43.1 -59:41:20 1.3 32.79 61 Mu Vel 10:46:46.5 -49:25:13 2.8 17.41 81 PPM 288405 11:00:40.6 -31:50:19 6.0 0.37 88 PPM 288391 10:59:42.5 -32:14:22 8.3 0.08 88 22014_99XQ96 10:59:59.8 -32:10:57 15.2 88 Positions are for J2000