Event between (312645) 10EP65 and star GA0800:04462930 with event index number of 2295138
Geocentric closest approach at 2022/04/28 13:57:34 UTC
J2000 position of star is 14:02:06.2 -09:48:20
Equinox of date position of star is 14:03:17.4 -09:54:44
Stellar brightness G=14.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 160 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=20.7
TNO is 33.3 AU from the Sun
and 32.3 AU from the Earth.
The TNO is moving 24.0
km/sec on the sky relative to the star, or,
3.7 arcsec/hr.
The 1-sigma error in the time of the event is 56 seconds.
The 1-sigma cross-track error in the shadow position is
1210 km.
The TNO has an absolute magnitude Hv=5.5
Diameter=469.9 km assuming a 5% albedo -- 20.0 sec chord
Diameter=191.8 km assuming a 30% albedo -- 8.1 sec chord
Dynamical classification is 2:1E
Star training set for 312645, (2022/04/28 13:58UT) Object RA Dec mag sep mel Spica 13:26:22.3 -11:16:38 1.0 9.17 167 95 Vir 14:07:53.9 -09:25:08 5.3 1.24 159 PPM 197154 14:05:09.1 -09:51:05 7.7 0.46 160 PPM 197117 14:02:51.3 -09:56:20 9.7 0.11 160 312645 14:03:17.5 -09:54:45 14.7 160 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 312645, (2022/04/28 13:58UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 9.17 167 95 Vir 14:06:42.6 -09:18:48 5.3 1.24 159 PPM 197154 14:03:57.8 -09:44:42 7.7 0.46 160 PPM 197117 14:01:40.0 -09:49:55 9.7 0.11 160 312645 14:02:06.2 -09:48:20 14.7 160 Positions are for J2000
Event circumstances last updated at 2022/04/17 00:14:15 UT
Marc W. Buie, Southwest Research Institute