Event between (469442) 02GG166 and star GA0640:07298875 with event index number of 277766
Geocentric closest approach at 2020/07/01 01:22:59 UTC
J2000 position of star is 15:57:57.2 -24:48:22
Equinox of date position of star is 15:59:04.3 -24:51:30
Stellar brightness G=15.8,
use SENSEUP=128
Star is 18 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=20.5
TNO is 17.8 AU from the Sun
and 17.0 AU from the Earth.
The TNO is moving 15.6
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 93 seconds.
The 1-sigma cross-track error in the shadow position is
784 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=158.5 km assuming a 5% albedo -- 10.1 sec chord
Diameter=64.7 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is CENTAURR
Star training set for 469442, (2020/07/01 01:23UT) Object RA Dec mag sep mel Antares 16:30:40.1 -26:28:33 0.9 7.27 25 7Del Sco 16:01:32.9 -22:40:42 2.3 2.25 18 PPM 264936 15:59:48.9 -24:53:20 5.4 0.14 19 PPM 264863 15:56:36.4 -24:43:45 8.4 0.60 18 PPM 264936 15:59:48.9 -24:53:20 5.4 0.14 19 469442 15:59:11.2 -24:51:49 15.8 19 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 469442, (2020/07/01 01:23UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 7.27 25 7Del Sco 16:00:20.0 -22:37:18 2.3 2.25 18 PPM 264936 15:58:34.9 -24:49:54 5.4 0.14 19 PPM 264863 15:55:22.5 -24:40:13 8.4 0.60 18 PPM 264936 15:58:34.9 -24:49:54 5.4 0.14 19 469442 15:57:57.2 -24:48:22 15.8 18 Positions are for J2000
Event circumstances last updated at 2018/08/01 17:46:25 UT
Marc W. Buie, Southwest Research Institute