Event between (469372) 01QF298 and star GA0840:00074658 with event index number of 1254850
Geocentric closest approach at 2022/11/17 21:38:25 UTC
J2000 position of star is 00:53:58.7 -05:50:06
Equinox of date position of star is 00:55:08.3 -05:42:40
Stellar brightness G=12.5,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 150 degrees from the moon.
Moon is 37% illuminated.
TNO apparent brightness V=21.8
TNO is 43.6 AU from the Sun
and 42.9 AU from the Earth.
The TNO is moving 17.2
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 105 seconds.
The 1-sigma cross-track error in the shadow position is
1558 km.
The TNO has an absolute magnitude Hv=5.3
Diameter=508.2 km assuming a 5% albedo -- 30.0 sec chord
Diameter=207.5 km assuming a 30% albedo -- 12.2 sec chord
Dynamical classification is 3:2E
Star training set for 469372, (2022/11/17 21:38UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.6 -29:30:02 1.2 36.29 162 Diphda 00:44:44.2 -17:51:41 2.0 12.41 153 PPM 182831 00:56:51.8 -07:13:26 5.8 1.57 150 PPM 182721 00:51:41.4 -05:11:24 8.4 1.00 151 PPM 182799 00:55:20.7 -05:42:13 9.6 0.05 150 469372 00:55:08.3 -05:42:40 12.5 150 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 469372, (2022/11/17 21:38UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 36.29 162 Diphda 00:43:35.7 -17:59:11 2.0 12.41 153 PPM 182831 00:55:42.4 -07:20:51 5.8 1.57 150 PPM 182721 00:50:31.6 -05:18:51 8.4 1.00 151 PPM 182799 00:54:11.1 -05:49:38 9.6 0.05 150 469372 00:53:58.7 -05:50:06 12.5 150 Positions are for J2000
Event circumstances last updated at 2022/11/13 03:28:08 UT
Marc W. Buie, Southwest Research Institute