Event between (576357) 12PV45 and star GA0980:18339166 with event index number of 2524175
Geocentric closest approach at 2021/10/05 15:42:19 UTC
J2000 position of star is 23:27:44.6 +08:34:59
Equinox of date position of star is 23:28:50.7 +08:42:09
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 163 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=21.9
TNO is 17.1 AU from the Sun
and 16.1 AU from the Earth.
The TNO is moving 20.2
km/sec on the sky relative to the star, or,
6.2 arcsec/hr.
The 1-sigma error in the time of the event is 33 seconds.
The 1-sigma cross-track error in the shadow position is
638 km.
The TNO has an absolute magnitude Hv=9.6
Diameter=74.1 km assuming a 5% albedo -- 3.7 sec chord
Diameter=30.3 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 576357, (2021/10/05 15:42UT) Object RA Dec mag sep mel Markab 23:05:50.8 +15:19:22 2.5 8.68 155 10The Psc 23:29:04.4 +06:29:55 4.3 2.20 165 PPM 174084 23:27:33.8 +08:45:45 7.4 0.32 163 PPM 174111 23:29:10.8 +08:45:05 9.0 0.09 163 576357 23:28:50.9 +08:42:11 13.8 164 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 576357, (2021/10/05 15:42UT) Object RA Dec mag sep mel Markab 23:04:45.8 +15:12:18 2.5 8.68 155 10The Psc 23:27:57.9 +06:22:43 4.3 2.20 165 PPM 174084 23:26:27.5 +08:38:33 7.4 0.32 163 PPM 174111 23:28:04.4 +08:37:53 9.0 0.09 163 576357 23:27:44.6 +08:34:59 13.8 163 Positions are for J2000
Event circumstances last updated at 2021/09/02 01:54:04 UT
Marc W. Buie, Southwest Research Institute