Event between (523639) 10RE64 and star GA0800:00056501 with event index number of 2383059
Geocentric closest approach at 2023/06/02 02:03:39 UTC
J2000 position of star is 00:41:53.9 -08:28:23
Equinox of date position of star is 00:43:03.6 -08:20:51
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 140 degrees from the moon.
Moon is 95% illuminated.
TNO apparent brightness V=21.4
TNO is 50.1 AU from the Sun
and 50.5 AU from the Earth.
The TNO is moving 17.8
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 178 seconds.
The 1-sigma cross-track error in the shadow position is
2574 km.
The TNO has an absolute magnitude Hv=4.3
Diameter=809.1 km assuming a 5% albedo -- 46.9 sec chord
Diameter=330.3 km assuming a 30% albedo -- 19.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 523639, (2023/06/02 01:59UT) Object RA Dec mag sep mel Fomalhaut 22:58:56.3 -29:29:51 1.2 32.30 108 Diphda 00:44:45.8 -17:51:31 2.0 9.52 134 19Phi2Cet 00:51:18.0 -10:31:07 5.2 2.97 140 PPM 182547 00:43:02.3 -07:57:39 8.0 0.38 140 PPM 182538 00:42:46.0 -08:21:40 9.5 0.08 140 523639 00:43:05.1 -08:20:42 15.1 140 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 523639, (2023/06/02 01:59UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 32.30 108 Diphda 00:43:35.7 -17:59:11 2.0 9.52 134 19Phi2Cet 00:50:07.3 -10:38:45 5.2 2.97 140 PPM 182547 00:41:51.1 -08:05:20 8.0 0.38 140 PPM 182538 00:41:34.8 -08:29:22 9.5 0.08 140 523639 00:41:53.9 -08:28:23 15.1 140 Positions are for J2000
Event circumstances last updated at 2022/12/02 03:10:09 UT
Marc W. Buie, Southwest Research Institute