Event between (469362) 01KB77 and star GA0780:09801752 with event index number of 1252030
Geocentric closest approach at 2023/02/28 14:33:58 UTC
J2000 position of star is 18:10:38.7 -10:25:45
Equinox of date position of star is 18:11:55.2 -10:25:22
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 161 degrees from the moon.
Moon is 62% illuminated.
Apparent brightness V=22.5
Object is 28.4 AU from the Sun
and 28.8 AU from the Earth.
Apparent velocity is 19.9
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 220 seconds.
The 1-sigma cross-track error in the shadow position is
2020 km.
The object has an absolute magnitude Hv=7.7
Diameter=199.5 km assuming a 5% albedo -- 8.7 sec chord
Diameter=81.5 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is 3:2E
Star training set for 469362, (2023/02/28 14:34UT) Object RA Dec mag sep mel Antares 16:30:49.9 -26:28:53 0.9 28.75 166 35Eta Oph 17:11:42.5 -15:45:07 2.6 15.59 167 PPM 201392 18:07:23.1 -08:19:14 6.1 2.38 160 PPM 234180 18:13:41.7 -10:43:26 8.3 0.53 161 PPM 234157 18:12:48.4 -10:15:26 9.0 0.27 161 469362 18:11:55.6 -10:25:22 16.5 161 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 469362, (2023/02/28 14:34UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 28.75 166 35Eta Oph 17:10:22.7 -15:43:29 2.6 15.59 167 PPM 201392 18:06:07.4 -08:19:27 6.1 2.38 160 PPM 234180 18:12:24.7 -10:43:53 8.3 0.53 161 PPM 234157 18:11:31.6 -10:15:50 9.0 0.27 161 469362 18:10:38.7 -10:25:45 16.5 161 Positions are for J2000
Event circumstances last updated at 2023/01/09 03:33:59 UT
Marc W. Buie, Southwest Research Institute