Event between (523601) 03UY413 and star GA1180:00251414 with event index number of 2626819
Geocentric closest approach at 2023/01/03 22:05:10 UTC
J2000 position of star is 01:46:29.1 +29:45:45
Equinox of date position of star is 01:47:47.5 +29:52:35
Stellar brightness G=14.3,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 37 degrees from the moon.
Moon is 92% illuminated.
TNO apparent brightness V=21.8
TNO is 42.5 AU from the Sun
and 42.1 AU from the Earth.
The TNO is moving 10.2
km/sec on the sky relative to the star, or,
1.2 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
1818 km.
The TNO has an absolute magnitude Hv=5.4
Diameter=483.1 km assuming a 5% albedo -- 48.5 sec chord
Diameter=197.2 km assuming a 30% albedo -- 19.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 523601, (2023/01/03 22:04UT) Object RA Dec mag sep mel Aldebaran 04:37:14.6 +16:33:13 0.8 40.88 8 Hamal 02:08:28.5 +23:34:13 2.0 7.81 33 2Alp Tri 01:54:24.0 +29:41:24 3.4 1.44 35 PPM 091010 01:43:24.2 +29:37:18 7.8 0.99 38 PPM 066605 01:47:57.9 +30:18:31 9.2 0.43 37 PPM 091054 01:46:58.2 +30:04:12 10.1 0.26 37 523601 01:47:47.8 +29:52:37 14.3 37 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 523601, (2023/01/03 22:04UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 40.88 8 Hamal 02:07:10.7 +23:27:41 2.0 7.81 33 2Alp Tri 01:53:04.9 +29:34:39 3.4 1.44 35 PPM 091010 01:42:05.9 +29:30:22 7.8 0.99 38 PPM 066605 01:46:39.1 +30:11:39 9.2 0.43 37 PPM 091054 01:45:39.5 +29:57:19 10.1 0.26 37 523601 01:46:29.1 +29:45:45 14.3 37 Positions are for J2000
Event circumstances last updated at 2022/12/02 03:09:39 UT
Marc W. Buie, Southwest Research Institute