Occultation event with (22014) 99XQ96, event index number 731
Regions able to see the event: SAmericaN,SAfrica
Geocentric closest approach at 2025/02/27 22:27:01 UTC
J2000 position of star is 08:35:31.8 -15:03:32
Equinox of date position of star is 08:36:42.1 -15:08:50
Star is 140 degrees from the moon. Moon is 0% illuminated.
Stellar brightness G=16.7, apparent brightess of occulting body is G=14.9
Use an exposure time of 1.60 seconds with the standard RECON-QHY system.
Expected flux drop is 84% with SNR of 3.0 per integration
Apparent velocity is 14.2 km/sec on the sky relative to the star, or, 18.1 arcsec/hr.
The recommended exposure time corresponds to 22.8 km per image.
The 1-sigma error in the time of the event is 2.2 seconds.
The 1-sigma cross-track error in the shadow position is 24.1 km.
The sky-plane scale is 2831.5 km/arcsec.
Diameter estimates:
53.7 km assuming a 5% albedo, aximum of 3.8 sec for a central chord
21.9 km assuming a 30% albedo, maximum of 1.5 sec for a central chord
Cross-track diameter of 53.7 km used for deployment plan.
Star training set for 22014_99XQ96, (2025/02/27 22:27UT) Object RA Dec mag sep mel Adhara 06:59:36.9 -29:00:28 1.5 26.33 113 15Rho Pup 08:08:37.0 -24:22:42 2.8 11.35 129 9 Hya 08:42:53.4 -16:02:07 4.6 1.73 140 PPM 220327 08:36:33.0 -15:18:19 8.4 0.16 140 22014_99XQ96 08:36:42.1 -15:08:50 14.9 140 Positions are for equinox of date
Star training set for 22014_99XQ96, (2025/02/27 22:27UT) Object RA Dec mag sep mel Adhara 06:58:37.6 -28:58:19 1.5 26.33 113 15Rho Pup 08:07:32.5 -24:18:14 2.8 11.35 129 9 Hya 08:41:43.4 -15:56:39 4.6 1.73 140 PPM 220327 08:35:22.8 -15:13:01 8.4 0.16 140 22014_99XQ96 08:35:31.8 -15:03:32 14.9 140 Positions are for J2000