Event between (120181) 03UR292 and star GA1040:00323891 with event index number of 170305
Geocentric closest approach at 2018/12/22 13:53:13 UTC
J2000 position of star is 03:19:40.1 +15:27:39
Equinox of date position of star is 03:20:43.3 +15:31:41
Stellar brightness G=16.4,
use SENSEUP=128
Star is 37 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=21.4
TNO is 27.0 AU from the Sun
and 26.2 AU from the Earth.
The TNO is moving 17.4
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 112 seconds.
The 1-sigma cross-track error in the shadow position is
1170 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 13.8 sec chord
Diameter=97.9 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is CENTAURR
Star training set for 120181, (2018/12/22 13:53UT) Object RA Dec mag sep mel Aldebaran 04:37:00.7 +16:32:45 0.8 18.35 19 Menkar 03:03:16.4 +04:09:47 2.5 12.15 45 PPM 119093 03:28:21.6 +12:48:02 6.5 3.30 36 PPM 118986 03:19:30.8 +15:14:39 8.4 0.41 37 PPM 119007 03:21:06.3 +15:43:32 8.8 0.22 37 PPM 118994 03:20:15.0 +15:39:32 11.7 0.17 37 120181 03:20:43.8 +15:31:43 16.4 37 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 120181, (2018/12/22 13:53UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 18.35 19 Menkar 03:02:16.8 +04:05:21 2.5 12.15 45 PPM 119093 03:27:18.7 +12:44:07 6.5 3.30 36 PPM 118986 03:18:27.2 +15:10:33 8.4 0.41 37 PPM 119007 03:20:02.5 +15:39:28 8.8 0.22 37 PPM 118994 03:19:11.2 +15:35:27 11.7 0.17 37 120181 03:19:40.1 +15:27:39 16.4 37 Positions are for J2000
Event circumstances last updated at 2018/10/23 20:46:38 UT
Marc W. Buie, Southwest Research Institute