Event between (471931) 13PH44 and star GA0740:00079837 with event index number of 1003340
Geocentric closest approach at 2020/11/08 16:21:31 UTC
J2000 position of star is 00:57:57.8 -14:10:11
Equinox of date position of star is 00:59:00.0 -14:03:27
Stellar brightness G=13.3,
use SENSEUP=32
Star is 130 degrees from the moon.
Moon is 49% illuminated.
TNO apparent brightness V=22.2
TNO is 16.1 AU from the Sun
and 15.3 AU from the Earth.
The TNO is moving 16.3
km/sec on the sky relative to the star, or,
5.3 arcsec/hr.
The 1-sigma error in the time of the event is 49 seconds.
The 1-sigma cross-track error in the shadow position is
570 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=91.2 km assuming a 5% albedo -- 3.7 sec chord
Diameter=37.2 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 471931, (2020/11/08 16:22UT) Object RA Dec mag sep mel Fomalhaut 22:58:47.9 -29:30:41 1.2 31.75 157 Diphda 00:44:38.1 -17:52:21 2.0 5.15 134 PPM 209342 00:50:28.5 -13:26:55 5.6 2.16 131 PPM 209449 00:54:44.8 -13:48:26 7.7 1.06 131 PPM 209550 00:59:11.5 -13:57:49 9.3 0.10 130 471931 00:59:00.1 -14:03:27 13.3 129 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 471931, (2020/11/08 16:22UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 31.75 157 Diphda 00:43:35.7 -17:59:11 2.0 5.15 134 PPM 209342 00:49:25.8 -13:33:43 5.6 2.16 131 PPM 209449 00:53:42.3 -13:55:13 7.7 1.06 131 PPM 209550 00:58:09.2 -14:04:34 9.3 0.10 130 471931 00:57:57.8 -14:10:11 13.3 130 Positions are for J2000
Event circumstances last updated at 2020/10/25 21:32:42 UT
Marc W. Buie, Southwest Research Institute