Event between 11UQ62 and star GA1100:01046443 with event index number of 1026539
Geocentric closest approach at 2020/12/19 20:07:14 UTC
J2000 position of star is 05:22:18.9 +20:25:11
Equinox of date position of star is 05:23:30.2 +20:26:16
Stellar brightness G=14.6,
use SENSEUP=128
Star is 107 degrees from the moon.
Moon is 30% illuminated.
TNO apparent brightness V=21.7
TNO is 16.4 AU from the Sun
and 15.4 AU from the Earth.
The TNO is moving 21.4
km/sec on the sky relative to the star, or,
6.9 arcsec/hr.
The 1-sigma error in the time of the event is 45 seconds.
The 1-sigma cross-track error in the shadow position is
583 km.
The TNO has an absolute magnitude Hv=9.6
Diameter=71.8 km assuming a 5% albedo -- 3.4 sec chord
Diameter=29.3 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 11UQ62, (2020/12/19 20:07UT) Object RA Dec mag sep mel Aldebaran 04:37:07.6 +16:32:59 0.8 11.67 95 Alnath 05:27:37.2 +28:37:24 1.6 8.24 109 PPM 120839 05:21:32.6 +19:35:52 6.5 0.97 106 PPM 094285 05:21:52.9 +20:50:58 8.0 0.57 107 PPM 094328 05:25:00.6 +20:35:50 9.0 0.37 107 11UQ62 05:23:33.7 +20:26:19 14.6 107 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 11UQ62, (2020/12/19 20:07UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 11.67 95 Alnath 05:26:17.5 +28:36:23 1.6 8.24 109 PPM 120839 05:20:18.3 +19:34:41 6.5 0.97 106 PPM 094285 05:20:37.9 +20:49:48 8.0 0.57 107 PPM 094328 05:23:45.7 +20:34:45 9.0 0.37 107 11UQ62 05:22:18.9 +20:25:11 14.6 107 Positions are for J2000
Event circumstances last updated at 2019/12/31 22:06:12 UT
Marc W. Buie, Southwest Research Institute