Event between (250112) 02KY14 and star GA1020:02109857 with event index number of 155174
Geocentric closest approach at 2018/10/13 00:00:57 UTC
J2000 position of star is 06:40:05.6 +12:52:38
Equinox of date position of star is 06:41:08.9 +12:51:32
Stellar brightness G=16.9,
use SENSEUP=128
Star is 147 degrees from the moon.
Moon is 17% illuminated.
TNO apparent brightness V=21.1
TNO is 12.8 AU from the Sun
and 12.6 AU from the Earth.
The TNO is moving 7.6
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 85 seconds.
The 1-sigma cross-track error in the shadow position is
1316 km.
The TNO has an absolute magnitude Hv=9.7
Diameter=69.2 km assuming a 5% albedo -- 9.1 sec chord
Diameter=28.2 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is CENTAURR
Star training set for 250112, (2018/10/13 00:01UT) Object RA Dec mag sep mel Betelgeuse 05:56:11.3 +07:24:33 0.4 12.33 156 Alhena 06:38:47.8 +16:22:54 1.9 3.57 148 30 Gem 06:45:02.8 +13:12:27 5.8 1.01 146 PPM 122797 06:39:36.3 +12:43:14 7.9 0.40 148 PPM 122852 06:41:14.9 +13:01:45 9.8 0.17 147 250112 06:41:09.0 +12:51:32 16.9 147 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 250112, (2018/10/13 00:01UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 12.33 156 Alhena 06:37:42.8 +16:23:57 1.9 3.57 148 30 Gem 06:43:59.3 +13:13:40 5.8 1.01 146 PPM 122797 06:38:33.0 +12:44:18 7.9 0.40 148 PPM 122852 06:40:11.4 +13:02:52 9.8 0.17 147 250112 06:40:05.6 +12:52:38 16.9 147 Positions are for J2000
Event circumstances last updated at 2018/10/04 18:55:12 UT
Marc W. Buie, Southwest Research Institute