Event between (463368) 12VU85 and star GA1080:01385023 with event index number of 241301
Geocentric closest approach at 2020/01/04 22:07:41 UTC
J2000 position of star is 05:49:18.2 +19:06:40
Equinox of date position of star is 05:50:27.0 +19:06:57
Stellar brightness G=16.7,
use SENSEUP=128
Star is 54 degrees from the moon.
Moon is 66% illuminated.
TNO apparent brightness V=21.1
TNO is 23.8 AU from the Sun
and 22.8 AU from the Earth.
The TNO is moving 22.9
km/sec on the sky relative to the star, or,
5.0 arcsec/hr.
The 1-sigma error in the time of the event is 260 seconds.
The 1-sigma cross-track error in the shadow position is
1808 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 9.1 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is CENTAURR
Star training set for 463368, (2020/01/04 22:08UT) Object RA Dec mag sep mel Betelgeuse 05:56:15.3 +07:24:33 0.4 11.79 56 Alnath 05:27:33.5 +28:37:21 1.6 10.85 51 PPM 121513 05:53:34.6 +19:52:17 6.4 1.05 55 PPM 121435 05:50:35.8 +18:37:22 8.2 0.49 54 PPM 121452 05:51:19.3 +19:10:14 8.6 0.21 55 463368 05:50:29.0 +19:06:58 16.7 55 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 463368, (2020/01/04 22:08UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 11.79 56 Alnath 05:26:17.5 +28:36:23 1.6 10.85 51 PPM 121513 05:52:23.4 +19:52:04 6.4 1.05 55 PPM 121435 05:49:25.3 +18:37:05 8.2 0.49 54 PPM 121452 05:50:08.4 +19:09:58 8.6 0.21 55 463368 05:49:18.2 +19:06:40 16.7 54 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:07:05 UT
Marc W. Buie, Southwest Research Institute