Event between (459865) 13XZ8 and star GA0700:04778734 with event index number of 264013
Geocentric closest approach at 2020/05/23 15:31:11 UTC
J2000 position of star is 10:52:28.4 -18:27:15
Equinox of date position of star is 10:53:25.9 -18:33:29
Stellar brightness G=13.4,
use SENSEUP=32
Star is 97 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=19.2
TNO is 8.5 AU from the Sun
and 8.2 AU from the Earth.
The TNO is moving 10.8
km/sec on the sky relative to the star, or,
6.6 arcsec/hr.
The 1-sigma error in the time of the event is 61 seconds.
The 1-sigma cross-track error in the shadow position is
749 km.
The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 7.0 sec chord
Diameter=31.0 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
Star training set for 459865, (2020/05/23 15:31UT) Object RA Dec mag sep mel Regulus 10:09:27.4 +11:52:00 1.3 32.31 76 4Gam Crv 12:16:51.5 -17:39:18 2.6 19.82 116 7Alp Crt 11:00:46.2 -18:24:28 4.1 1.74 99 PPM 223545 10:52:06.0 -18:26:27 6.9 0.35 97 PPM 223583 10:53:31.8 -18:44:43 8.7 0.18 97 459865 10:53:28.5 -18:33:46 13.4 98 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, (2020/05/23 15:31UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 32.31 76 4Gam Crv 12:15:48.2 -17:32:31 2.6 19.82 116 7Alp Crt 10:59:45.8 -18:17:53 4.1 1.74 99 PPM 223545 10:51:06.0 -18:19:56 6.9 0.35 97 PPM 223583 10:52:31.8 -18:38:11 8.7 0.18 97 459865 10:52:28.4 -18:27:15 13.4 97 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:39:15 UT
Marc W. Buie, Southwest Research Institute