Event between 10TH and star GA0920:00697810 with event index number of 169917
Geocentric closest approach at 2018/12/17 14:07:43 UTC
J2000 position of star is 05:24:22.8 +03:11:10
Equinox of date position of star is 05:25:22.0 +03:12:08
Stellar brightness G=16.5,
use SENSEUP=128
Star is 61 degrees from the moon.
Moon is 70% illuminated.
TNO apparent brightness V=21.9
TNO is 18.0 AU from the Sun
and 17.1 AU from the Earth.
The TNO is moving 24.0
km/sec on the sky relative to the star, or,
7.0 arcsec/hr.
The 1-sigma error in the time of the event is 36 seconds.
The 1-sigma cross-track error in the shadow position is
668 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=81.7 km assuming a 5% albedo -- 3.4 sec chord
Diameter=33.3 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 10TH, (2018/12/17 14:08UT) Object RA Dec mag sep mel Betelgeuse 05:56:11.9 +07:24:33 0.4 8.75 69 Bellatrix 05:26:08.9 +06:21:55 1.6 3.17 61 30Psi2Ori 05:27:49.9 +03:06:38 4.3 0.62 62 PPM 148922 05:26:14.2 +02:46:10 8.5 0.48 61 PPM 148861 05:24:03.2 +03:12:34 9.3 0.33 61 10TH 05:25:22.5 +03:12:08 16.5 61 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 10TH, (2018/12/17 14:08UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 8.75 69 Bellatrix 05:25:07.8 +06:20:58 1.6 3.17 61 30Psi2Ori 05:26:50.2 +03:05:44 4.3 0.62 62 PPM 148922 05:25:14.7 +02:45:13 8.5 0.48 61 PPM 148861 05:23:03.5 +03:11:34 9.3 0.33 61 10TH 05:24:22.8 +03:11:10 16.5 61 Positions are for J2000
Event circumstances last updated at 2018/10/23 20:45:45 UT
Marc W. Buie, Southwest Research Institute