Event between (175113) 04PF115 and star UC4-353-195013 with event index number of 118229
Geocentric closest approach at 2018/05/22 15:10:39 UTC
J2000 position of star is 23:07:10.1 -19:35:03
Equinox of date position of star is 23:08:07.2 -19:29:13
Stellar brightness R=14.2,
use SENSEUP=64
Star is 169 degrees from the moon.
Moon is 55% illuminated.
TNO apparent brightness V=20.7
TNO is 41.6 AU from the Sun
and 41.7 AU from the Earth.
The TNO is moving 11.5
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 298 seconds.
The 1-sigma cross-track error in the shadow position is
1894 km.
The TNO has an absolute magnitude Hv=4.3
Diameter=831.8 km assuming a 5% albedo -- 72.4 sec chord
Diameter=339.6 km assuming a 30% albedo -- 29.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 175113, (2018/05/22 15:11UT) Object RA Dec mag sep mel Fomalhaut 22:58:39.8 -29:31:28 1.2 10.27 161 PPM 274532 23:03:43.0 -20:46:20 6.1 1.65 169 PPM 241192 23:07:37.5 -19:21:38 8.4 0.17 170 175113 23:08:08.7 -19:29:04 14.2 169 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 175113, (2018/05/22 15:11UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 10.27 161 PPM 274532 23:02:44.2 -20:52:17 6.1 1.65 169 PPM 241192 23:06:39.0 -19:27:37 8.4 0.17 170 175113 23:07:10.1 -19:35:03 14.2 169 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:33:44 UT
Marc W. Buie, Southwest Research Institute