Event between (523620) 07RH283 and star GA1260:00959152 with event index number of 326008
Geocentric closest approach at 2018/11/05 18:32:04 UTC
J2000 position of star is 03:51:43.4 +36:24:04
Equinox of date position of star is 03:52:57.0 +36:27:23
Stellar brightness G=16.0,
use SENSEUP=128
Star is 132 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=22.0
TNO is 21.0 AU from the Sun
and 20.1 AU from the Earth.
The TNO is moving 23.2
km/sec on the sky relative to the star, or,
5.7 arcsec/hr.
The 1-sigma error in the time of the event is 71 seconds.
The 1-sigma cross-track error in the shadow position is
757 km.
The TNO has an absolute magnitude Hv=8.7
Diameter=109.7 km assuming a 5% albedo -- 4.7 sec chord
Diameter=44.8 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 523620, (2018/11/05 18:32UT) Object RA Dec mag sep mel Aldebaran 04:37:00.3 +16:32:44 0.8 22.18 130 44Zet Per 03:55:19.3 +31:56:17 2.8 4.54 134 PPM 068741 03:45:44.9 +36:31:05 5.6 1.45 133 PPM 068927 03:57:59.0 +36:03:21 8.5 1.09 131 PPM 068852 03:53:27.9 +36:34:34 9.6 0.16 131 523620 03:52:57.1 +36:27:24 16.0 131 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 523620, (2018/11/05 18:32UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 22.18 130 44Zet Per 03:54:07.9 +31:53:01 2.8 4.54 134 PPM 068741 03:44:31.5 +36:27:36 5.6 1.45 133 PPM 068927 03:56:45.3 +36:00:08 8.5 1.09 131 PPM 068852 03:52:14.1 +36:31:15 9.6 0.16 131 523620 03:51:43.4 +36:24:04 16.0 132 Positions are for J2000
Event circumstances last updated at 2018/10/23 20:42:29 UT
Marc W. Buie, Southwest Research Institute