Event between 13VO46 and star GA0980:00307403 with event index number of 2676793
Geocentric closest approach at 2023/07/24 15:38:50 UTC
J2000 position of star is 03:32:19.2 +08:10:28
Equinox of date position of star is 03:33:29.5 +08:14:49
Stellar brightness G=13.4,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 143 degrees from the moon.
Moon is 38% illuminated.
TNO apparent brightness V=23.4
TNO is 34.4 AU from the Sun
and 34.7 AU from the Earth.
The TNO is moving 17.0
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 827 seconds.
The 1-sigma cross-track error in the shadow position is
5059 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=140.6 km assuming a 5% albedo -- 9.9 sec chord
Diameter=57.4 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is 2:1E
Star training set for 13VO46, (2023/07/24 15:39UT) Object RA Dec mag sep mel Aldebaran 04:37:16.5 +16:33:17 0.8 17.61 127 Menkar 03:03:30.8 +04:10:51 2.5 8.51 151 6 Tau 03:33:52.6 +09:27:05 5.6 1.20 143 PPM 146677 03:35:02.7 +08:22:06 8.4 0.38 143 13VO46 03:33:35.3 +08:15:10 13.4 143 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 13VO46, (2023/07/24 15:39UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 17.61 127 Menkar 03:02:16.8 +04:05:21 2.5 8.51 151 6 Tau 03:32:35.9 +09:22:23 5.6 1.20 143 PPM 146677 03:33:46.5 +08:17:25 8.4 0.38 143 13VO46 03:32:19.2 +08:10:28 13.4 143 Positions are for J2000
Event circumstances last updated at 2021/10/08 01:05:15 UT
Marc W. Buie, Southwest Research Institute