Event between 03WA191 and star GA1080:01893240 with event index number of 163802
Geocentric closest approach at 2018/11/17 16:07:36 UTC
J2000 position of star is 06:21:12.1 +18:43:56
Equinox of date position of star is 06:22:17.1 +18:43:21
Stellar brightness G=16.3,
use SENSEUP=128
Star is 107 degrees from the moon.
Moon is 69% illuminated.
TNO apparent brightness V=23.4
TNO is 32.1 AU from the Sun
and 31.3 AU from the Earth.
The TNO is moving 17.7
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 1800 seconds.
The 1-sigma cross-track error in the shadow position is
4114 km.
The TNO has an absolute magnitude Hv=8.3
Diameter=133.0 km assuming a 5% albedo -- 7.5 sec chord
Diameter=54.3 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E
Star training set for 03WA191, (2018/11/17 16:08UT) Object RA Dec mag sep mel Betelgeuse 05:56:11.7 +07:24:33 0.4 12.97 99 Alhena 06:38:48.1 +16:22:54 1.9 4.57 111 PPM 122270 06:20:07.7 +17:18:58 6.1 1.50 106 PPM 122361 06:23:36.2 +18:48:51 8.5 0.32 107 PPM 122316 06:21:46.2 +18:31:33 9.0 0.23 107 03WA191 06:22:18.7 +18:43:21 16.3 107 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 03WA191, (2018/11/17 16:08UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 12.97 99 Alhena 06:37:42.8 +16:23:57 1.9 4.57 111 PPM 122270 06:19:01.8 +17:19:31 6.1 1.50 106 PPM 122361 06:22:29.6 +18:49:29 8.5 0.32 107 PPM 122316 06:20:39.7 +18:32:08 9.0 0.23 107 03WA191 06:21:12.1 +18:43:56 16.3 107 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:34:28 UT
Marc W. Buie, Southwest Research Institute