Event between 03TL58 and star GA1100:01844933 with event index number of 247186
Geocentric closest approach at 2020/02/18 13:44:40 UTC
J2000 position of star is 06:14:31.4 +20:47:10
Equinox of date position of star is 06:15:40.0 +20:46:44
Stellar brightness G=16.2,
use SENSEUP=128
Star is 177 degrees from the moon.
Moon is 23% illuminated.
TNO apparent brightness V=23.5
TNO is 41.8 AU from the Sun
and 41.2 AU from the Earth.
The TNO is moving 12.7
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 588 seconds.
The 1-sigma cross-track error in the shadow position is
2222 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=219.8 km assuming a 5% albedo -- 17.4 sec chord
Diameter=89.7 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 03TL58, (2020/02/18 13:45UT) Object RA Dec mag sep mel Betelgeuse 05:56:15.7 +07:24:33 0.4 14.17 164 Alhena 06:38:52.5 +16:22:50 1.9 7.03 170 71 Ori 06:16:01.9 +19:08:52 5.6 1.63 176 PPM 095570 06:12:35.3 +20:53:58 6.7 0.74 178 PPM 095635 06:15:25.9 +20:40:39 9.6 0.12 177 PPM 095645 06:15:57.4 +20:44:53 11.0 0.06 177 03TL58 06:15:43.5 +20:46:43 16.2 177 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 03TL58, (2020/02/18 13:45UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 14.17 164 Alhena 06:37:42.8 +16:23:57 1.9 7.03 170 71 Ori 06:14:50.7 +19:09:20 5.6 1.63 176 PPM 095570 06:11:23.2 +20:54:19 6.7 0.74 178 PPM 095635 06:14:13.8 +20:41:05 9.6 0.12 177 PPM 095645 06:14:45.3 +20:45:20 11.0 0.06 177 03TL58 06:14:31.4 +20:47:10 16.2 177 Positions are for J2000
Event circumstances last updated at 2019/02/22 20:26:23 UT
Marc W. Buie, Southwest Research Institute