Event between (471155) 10GF65 and star GA0520:17699618 with event index number of 2233187
Geocentric closest approach at 2023/06/11 23:04:02 UTC
J2000 position of star is 17:33:30.9 -36:14:29
Equinox of date position of star is 17:35:05.2 -36:15:21
Stellar brightness G=13.0,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 100 degrees from the moon.
Moon is 37% illuminated.
Apparent brightness V=20.8
Object is 22.5 AU from the Sun
and 21.5 AU from the Earth.
Apparent velocity is 22.0
km/sec on the sky relative to the star, or,
5.1 arcsec/hr.
The 1-sigma error in the time of the event is 446 seconds.
The 1-sigma cross-track error in the shadow position is
1208 km.
The object has an absolute magnitude Hv=7.3
Diameter=229.1 km assuming a 5% albedo -- 9.6 sec chord
Diameter=93.5 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CENTAURR
Star training set for 471155, (2023/06/11 23:04UT) Object RA Dec mag sep mel Antares 16:30:50.9 -26:28:55 0.9 16.80 115 34Ups Sco 17:32:21.6 -37:18:44 2.7 1.19 101 PPM 296389 17:30:31.4 -36:47:44 6.1 1.07 101 PPM 296531 17:37:02.1 -36:31:02 8.1 0.47 100 PPM 296514 17:36:18.6 -36:19:02 8.9 0.25 100 471155 17:35:05.8 -36:15:21 13.0 100 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 471155, (2023/06/11 23:04UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.80 115 34Ups Sco 17:30:45.8 -37:17:46 2.7 1.19 101 PPM 296389 17:28:56.1 -36:46:42 6.1 1.07 101 PPM 296531 17:35:26.9 -36:30:14 8.1 0.47 100 PPM 296514 17:34:43.7 -36:18:12 8.9 0.25 100 471155 17:33:30.9 -36:14:29 13.0 100 Positions are for J2000
Event circumstances last updated at 2023/04/19 02:37:58 UT
Marc W. Buie, Southwest Research Institute