Event between (492338) 14FW and star GA0720:06352149 with event index number of 281961
Geocentric closest approach at 2020/07/17 18:19:51 UTC
J2000 position of star is 16:37:56.8 -16:21:51
Equinox of date position of star is 16:39:03.7 -16:24:07
Stellar brightness G=15.0,
use SENSEUP=128
Star is 170 degrees from the moon.
Moon is 10% illuminated.
TNO apparent brightness V=20.8
TNO is 11.8 AU from the Sun
and 11.1 AU from the Earth.
The TNO is moving 10.9
km/sec on the sky relative to the star, or,
4.9 arcsec/hr.
The 1-sigma error in the time of the event is 416 seconds.
The 1-sigma cross-track error in the shadow position is
2002 km.
The TNO has an absolute magnitude Hv=9.9
Diameter=63.1 km assuming a 5% albedo -- 5.8 sec chord
Diameter=25.8 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 492338, (2020/07/17 18:20UT) Object RA Dec mag sep mel Antares 16:30:40.2 -26:28:33 0.9 10.26 169 13Zet Oph 16:38:17.5 -10:36:26 2.6 5.80 166 PPM 232030 16:42:45.8 -17:46:49 5.0 1.63 171 PPM 231927 16:38:48.1 -16:53:23 8.3 0.49 170 PPM 231942 16:39:17.9 -16:25:27 9.5 0.05 170 492338 16:39:07.5 -16:24:14 15.0 170 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 492338, (2020/07/17 18:20UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.26 169 13Zet Oph 16:37:09.6 -10:34:01 2.6 5.80 166 PPM 232030 16:41:34.4 -17:44:32 5.0 1.63 171 PPM 231927 16:37:37.2 -16:50:59 8.3 0.49 170 PPM 231942 16:38:07.2 -16:23:04 9.5 0.05 170 492338 16:37:56.8 -16:21:51 15.0 170 Positions are for J2000
Event circumstances last updated at 2019/06/08 00:05:46 UT
Marc W. Buie, Southwest Research Institute