Event between (120181) 03UR292 and star UC4-525-005705 with event index number of 90293
Geocentric closest approach at 2017/11/12 23:19:24 UTC
J2000 position of star is 03:12:30.4 +14:58:58
Equinox of date position of star is 03:13:26.1 +15:02:41
Stellar brightness R=14.6
Star is 117 degrees from the moon.
Moon is 28% illuminated.
TNO apparent brightness V=21.5
TNO is 26.9 AU from the Sun
and 25.9 AU from the Earth.
The TNO is moving 23.9
km/sec on the sky relative to the star, or,
4.6 arcsec/hr.
The 1-sigma error in the time of the event is 76 seconds.
The 1-sigma cross-track error in the shadow position is
1059 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 8.7 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CENTAURR
Star training set for 120181, (2017/11/12 23:19UT) Object RA Dec mag sep mel Aldebaran 04:36:56.9 +16:32:38 0.8 20.12 97 Menkar 03:03:12.9 +04:09:32 2.5 11.18 122 PPM 118814 03:07:22.7 +13:15:19 5.6 2.33 119 PPM 118930 03:15:08.4 +15:39:21 7.2 0.72 117 PPM 118894 03:12:07.8 +14:46:44 9.5 0.43 118 PPM 118909 03:13:24.6 +15:06:31 10.8 0.06 117 120181 03:13:30.1 +15:02:57 14.6 117 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, (2017/11/12 23:19UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 20.12 97 Menkar 03:02:16.8 +04:05:22 2.5 11.18 122 PPM 118814 03:06:23.7 +13:11:13 5.6 2.33 119 PPM 118930 03:14:08.4 +15:35:25 7.2 0.72 117 PPM 118894 03:11:08.2 +14:42:44 9.5 0.43 118 PPM 118909 03:12:24.9 +15:02:33 10.8 0.06 117 120181 03:12:30.4 +14:58:58 14.6 117 Positions are for J2000
Event circumstances last updated at 2016/09/02 18:15:47 UT
Marc W. Buie, Southwest Research Institute