Event between (523642) 10SS43 and star GA1300:00403096 with event index number of 2382852
Geocentric closest approach at 2024/10/02 21:09:50 UTC
J2000 position of star is 01:22:53.8 +40:47:42
Equinox of date position of star is 01:24:13.5 +40:54:50
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 143 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=21.6
TNO is 38.2 AU from the Sun
and 37.4 AU from the Earth.
The TNO is moving 23.5
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 82 seconds.
The 1-sigma cross-track error in the shadow position is
1948 km.
The TNO has an absolute magnitude Hv=5.7
Diameter=424.6 km assuming a 5% albedo -- 18.3 sec chord
Diameter=173.4 km assuming a 30% albedo -- 7.5 sec chord
Dynamical classification is SCATEXTD
Star training set for 523642, (2024/10/02 21:11UT) Object RA Dec mag sep mel Aldebaran 04:37:20.6 +16:33:26 0.8 48.02 121 57Gam1And 02:05:25.8 +42:26:50 2.3 7.82 138 PPM 044004 01:28:53.7 +41:13:44 6.5 0.91 142 PPM 043969 01:26:57.4 +41:28:49 8.1 0.74 142 PPM 043933 01:24:39.2 +40:44:21 9.3 0.19 143 PPM 043923 01:24:03.7 +41:03:21 10.7 0.14 143 523642 01:24:20.1 +40:55:26 16.4 143 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 523642, (2024/10/02 21:11UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 48.02 121 57Gam1And 02:03:54.1 +42:19:46 2.3 7.82 138 PPM 044004 01:27:26.7 +41:06:04 6.5 0.91 142 PPM 043969 01:25:30.6 +41:21:08 8.1 0.74 142 PPM 043933 01:23:12.9 +40:36:38 9.3 0.19 143 PPM 043923 01:22:37.4 +40:55:38 10.7 0.14 143 523642 01:22:53.8 +40:47:42 16.4 143 Positions are for J2000
Event circumstances last updated at 2022/11/13 03:43:51 UT
Marc W. Buie, Southwest Research Institute