Event between (459865) 13XZ8 and star GA0780:03937036 with event index number of 167392
Geocentric closest approach at 2018/11/14 09:57:37 UTC
J2000 position of star is 10:12:37.0 -10:37:37
Equinox of date position of star is 10:13:32.7 -10:43:14
Stellar brightness G=15.4,
use SENSEUP=128
Star is 144 degrees from the moon.
Moon is 39% illuminated.
TNO apparent brightness V=19.6
TNO is 9.0 AU from the Sun
and 9.2 AU from the Earth.
The TNO is moving 22.9
km/sec on the sky relative to the star, or,
12.3 arcsec/hr.
The 1-sigma error in the time of the event is 38 seconds.
The 1-sigma cross-track error in the shadow position is
958 km.
The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 3.3 sec chord
Diameter=31.0 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 459865, (2018/11/14 09:58UT) Object RA Dec mag sep mel Regulus 10:09:22.5 +11:52:27 1.3 22.62 159 Alphard 09:28:30.9 -08:44:29 2.0 11.27 151 PPM 222699 10:17:04.8 -11:17:53 5.9 1.04 143 PPM 222612 10:13:15.1 -10:24:55 8.2 0.31 144 PPM 222604 10:13:01.9 -10:57:22 9.4 0.27 144 459865 10:13:32.9 -10:43:15 15.4 143 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 459865, (2018/11/14 09:58UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 22.62 159 Alphard 09:27:35.2 -08:39:31 2.0 11.27 151 PPM 222699 10:16:08.9 -11:12:12 5.9 1.04 143 PPM 222612 10:12:19.2 -10:19:17 8.2 0.31 144 PPM 222604 10:12:06.1 -10:51:44 9.4 0.27 144 459865 10:12:37.0 -10:37:37 15.4 144 Positions are for J2000
Event circumstances last updated at 2018/10/23 20:42:58 UT
Marc W. Buie, Southwest Research Institute