Event between (19255) 94VK8 and star GA1120:02238127 with event index number of 1300746
Geocentric closest approach at 2024/04/10 14:26:33 UTC
J2000 position of star is 06:33:11.6 +23:52:54
Equinox of date position of star is 06:34:33.0 +23:51:48
Stellar brightness G=14.4,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 51 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=23.5
TNO is 42.7 AU from the Sun
and 42.9 AU from the Earth.
The TNO is moving 10.9
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 4029 seconds.
The 1-sigma cross-track error in the shadow position is
4936 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 22.0 sec chord
Diameter=97.9 km assuming a 30% albedo -- 9.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 19255, (2024/04/10 14:27UT) Object RA Dec mag sep mel Pollux 07:46:48.0 +27:57:56 1.1 16.71 67 Alhena 06:39:06.8 +16:22:35 1.9 7.56 53 PPM 096264 06:38:56.5 +24:34:07 6.5 1.20 52 PPM 096281 06:39:21.1 +23:34:55 7.7 1.11 52 PPM 096208 06:36:23.6 +24:16:33 9.9 0.57 51 PPM 096117 06:33:43.2 +23:47:20 10.4 0.23 51 19255 06:34:40.5 +23:51:42 14.4 51 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 19255, (2024/04/10 14:27UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 16.71 67 Alhena 06:37:42.8 +16:23:57 1.9 7.56 53 PPM 096264 06:37:27.2 +24:35:27 6.5 1.20 52 PPM 096281 06:37:52.4 +23:36:17 7.7 1.11 52 PPM 096208 06:34:54.5 +24:17:49 9.9 0.57 51 PPM 096117 06:32:14.4 +23:48:30 10.4 0.23 51 19255 06:33:11.6 +23:52:54 14.4 51 Positions are for J2000
Event circumstances last updated at 2022/04/03 00:05:20 UT
Marc W. Buie, Southwest Research Institute