Event between (471136) 10EO65 and star GA0580:09476818 with event index number of 152659
Geocentric closest approach at 2018/09/24 04:23:09 UTC
J2000 position of star is 16:23:23.4 -31:35:47
Equinox of date position of star is 16:24:33.9 -31:38:18
Stellar brightness G=17.5,
use SENSEUP=128
Star is 100 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=21.5
TNO is 14.5 AU from the Sun
and 14.8 AU from the Earth.
The TNO is moving 21.4
km/sec on the sky relative to the star, or,
7.2 arcsec/hr.
The 1-sigma error in the time of the event is 213 seconds.
The 1-sigma cross-track error in the shadow position is
721 km.
The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 3.6 sec chord
Diameter=31.0 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 471136, (2018/09/24 04:23UT) Object RA Dec mag sep mel Antares 16:30:33.5 -26:28:19 0.9 5.33 100 23Tau Sco 16:37:03.1 -28:15:12 2.8 4.33 98 PPM 295006 16:25:09.4 -33:14:35 6.2 1.61 100 PPM 295034 16:26:16.3 -31:27:50 7.6 0.40 100 PPM 295008 16:25:15.4 -31:53:57 9.9 0.30 100 PPM 294982 16:23:54.9 -31:41:43 10.3 0.15 100 471136 16:24:35.0 -31:38:20 17.5 100 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 471136, (2018/09/24 04:23UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 5.33 100 23Tau Sco 16:35:53.0 -28:12:58 2.8 4.33 98 PPM 295006 16:23:56.8 -33:12:03 6.2 1.61 100 PPM 295034 16:25:04.7 -31:25:20 7.6 0.40 100 PPM 295008 16:24:03.6 -31:51:25 9.9 0.30 100 PPM 294982 16:22:43.2 -31:39:10 10.3 0.15 100 471136 16:23:23.4 -31:35:47 17.5 100 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:27:28 UT
Marc W. Buie, Southwest Research Institute