Occultation event with (32496) 00WX182, event index number 1339
Regions able to see the event: Australia
Geocentric closest approach at 2025/10/05 13:12:49 UTC
J2000 position of star is 04:11:01.8 +13:19:32
Equinox of date position of star is 04:12:28.3 +13:23:27
Star is 73 degrees from the moon. Moon is 96% illuminated.
Stellar brightness G=15.2, apparent brightess of occulting body is G=15.4
Use an exposure time of 1.20 seconds with the standard RECON-QHY system.
SNR of 10.0 per integration for unocculted signal
Expected flux drop is 56% with SNR of 5.6 for the occulted depth (per occulted point)
Apparent velocity is 8.8 km/sec on the sky relative to the star, or, 9.8 arcsec/hr.
Position angle of asteroid motion is 105.3 degrees
The recommended exposure time corresponds to 10.6 km per image.
The 1-sigma error in the time of the event is 1.8 seconds.
The 1-sigma cross-track error in the shadow position is 33.1 km.
The sky-plane scale is 3216.3 km/arcsec.
Diameter estimates:
53.7 km assuming a 5% albedo, aximum of 6.1 sec for a central chord
21.9 km assuming a 30% albedo, maximum of 2.5 sec for a central chord
Cross-track diameter of 48.0 km used for deployment plan.
Star training set for 32496_00WX182, (2025/10/05 13:13UT) Object RA Dec mag sep mel Aldebaran 04:37:24.1 +16:33:32 0.8 6.80 79 44Zet Per 03:55:45.5 +31:57:29 2.8 18.96 73 PPM 119653 04:10:28.2 +13:27:53 5.9 0.49 72 PPM 119715 04:15:16.1 +12:49:04 7.3 0.89 74 PPM 119683 04:12:37.3 +13:31:06 10.0 0.13 73 32496_00WX182 04:12:28.3 +13:23:27 15.4 73 Positions are for equinox of date
Star training set for 32496_00WX182, (2025/10/05 13:13UT) Object RA Dec mag sep mel Aldebaran 04:35:55.4 +16:30:29 0.8 6.80 79 44Zet Per 03:54:07.9 +31:53:01 2.8 18.96 73 PPM 119653 04:09:01.7 +13:23:54 5.9 0.49 72 PPM 119715 04:13:49.9 +12:45:15 7.3 0.89 74 PPM 119683 04:11:10.7 +13:27:11 10.0 0.13 73 32496_00WX182 04:11:01.8 +13:19:32 15.4 73 Positions are for J2000