Occultation event with (22014) 99XQ96, event index number 3703
Regions able to see the event: SAmericaN
Geocentric closest approach at 2026/04/30 23:44:04 UTC
J2000 position of star is 10:54:34.8 -29:46:37
Equinox of date position of star is 10:55:50.2 -29:55:03
Star is 43 degrees from the moon. Moon is 99% illuminated.
Stellar brightness G=16.1, apparent brightess of occulting body is G=15.3
Use an exposure time of 0.65 seconds with the standard RECON-QHY system.
SNR of 3.1 per integration for unocculted signal
Expected flux drop is 33% with SNR of 1.0 for the occulted depth (per occulted point)
Apparent velocity is 14.6 km/sec on the sky relative to the star, or, 16.8 arcsec/hr.
Position angle of asteroid motion is 170.3 degrees
The recommended exposure time corresponds to 9.5 km per image.
The 1-sigma error in the time of the event is 2.7 seconds.
The 1-sigma cross-track error in the shadow position is 10.1 km.
The sky-plane scale is 3137.0 km/arcsec.
Diameter estimates:
54.5 km assuming a 5% albedo, maximum of 3.7 sec for a central chord
22.2 km assuming a 30% albedo, maximum of 1.5 sec for a central chord
Cross-track diameter of 39.5 km used for deployment plan.
Star training set for 22014_99XQ96, (2026/04/30 23:44UT) Object RA Dec mag sep mel Bet Cru 12:49:16.7 -59:49:56 1.3 35.46 45 Mu Vel 10:47:54.7 -49:33:35 2.8 19.70 50 PPM 288135 10:49:28.4 -31:49:39 6.1 2.35 45 PPM 288244 10:54:29.7 -30:14:13 8.1 0.43 44 PPM 258287 10:55:54.2 -29:54:54 9.8 0.01 43 22014_99XQ96 10:55:50.2 -29:55:03 15.3 43 Positions are for equinox of date
Star training set for 22014_99XQ96, (2026/04/30 23:44UT) Object RA Dec mag sep mel Bet Cru 12:47:43.1 -59:41:20 1.3 35.46 45 Mu Vel 10:46:46.5 -49:25:13 2.8 19.70 50 PPM 288135 10:48:14.1 -31:41:16 6.1 2.35 45 PPM 288244 10:53:14.6 -30:05:47 8.1 0.43 44 PPM 258287 10:54:38.8 -29:46:27 9.8 0.01 43 22014_99XQ96 10:54:34.8 -29:46:37 15.3 43 Positions are for J2000