Event between (531016) 12BZ154 and star GA0960:03430941 with event index number of 2444508
Geocentric closest approach at 2024/05/28 02:45:55 UTC
J2000 position of star is 08:44:35.9 +06:20:41
Equinox of date position of star is 08:45:46.7 +06:15:47
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 162 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=23.1
TNO is 38.1 AU from the Sun
and 38.5 AU from the Earth.
The TNO is moving 17.8
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 166 seconds.
The 1-sigma cross-track error in the shadow position is
2573 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=230.2 km assuming a 5% albedo -- 13.0 sec chord
Diameter=94.0 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 531016, (2024/05/28 02:47UT) Object RA Dec mag sep mel Regulus 10:09:40.2 +11:50:49 1.3 21.41 153 Alphard 09:28:47.2 -08:45:56 2.0 18.44 144 13Rho Hya 08:49:43.5 +05:44:46 4.3 1.08 161 10 Hya 08:46:18.8 +05:35:27 7.0 0.67 161 PPM 154934 08:46:19.2 +06:16:50 9.8 0.11 162 531016 08:45:53.7 +06:15:18 17.0 162 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 531016, (2024/05/28 02:47UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 21.41 153 Alphard 09:27:35.2 -08:39:30 2.0 18.44 144 13Rho Hya 08:48:26.0 +05:50:15 4.3 1.08 161 10 Hya 08:45:01.3 +05:40:50 7.0 0.67 161 PPM 154934 08:45:01.5 +06:22:14 9.8 0.11 162 531016 08:44:35.9 +06:20:41 17.0 162 Positions are for J2000
Event circumstances last updated at 2022/03/26 23:41:35 UT
Marc W. Buie, Southwest Research Institute