Event between (119473) 01UO18 and star TYC21260-00695-1 with event index number of 153241
Geocentric closest approach at 2018/10/10 19:36:56 UTC
J2000 position of star is 03:49:03.5 +21:29:20
Equinox of date position of star is 03:50:04.6 +21:32:28
Stellar brightness V=10.9,
use SENSEUP=4
Star is 158 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=22.5
TNO is 28.9 AU from the Sun
and 28.2 AU from the Earth.
The TNO is moving 16.1
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 1019 seconds.
The 1-sigma cross-track error in the shadow position is
4961 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=166.0 km assuming a 5% albedo -- 10.3 sec chord
Diameter=67.8 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is 3:2E
Star training set for 119473, (2018/10/10 19:37UT) Object RA Dec mag sep mel Aldebaran 04:37:00.0 +16:32:44 0.8 12.14 149 44Zet Per 03:55:19.0 +31:56:16 2.8 10.46 151 PPM 092958 03:51:01.5 +22:18:00 5.9 0.78 158 PPM 092931 03:50:06.2 +21:23:55 8.5 0.15 158 PPM 092932 03:50:09.5 +21:32:44 11.2 0.00 158 119473 03:50:09.5 +21:32:43 10.9 158 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 119473, (2018/10/10 19:37UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 12.14 149 44Zet Per 03:54:07.9 +31:53:01 2.8 10.46 151 PPM 092958 03:49:55.1 +22:14:39 5.9 0.78 158 PPM 092931 03:49:00.2 +21:20:32 8.5 0.15 158 PPM 092932 03:49:03.4 +21:29:21 11.2 0.00 158 119473 03:49:03.5 +21:29:20 10.9 158 Positions are for J2000
Event circumstances last updated at 2017/05/19 18:04:12 UT
Marc W. Buie, Southwest Research Institute