Event between (471155) 10GF65 and star GA0540:19730526 with event index number of 2232971
Geocentric closest approach at 2023/02/24 07:05:23 UTC
J2000 position of star is 17:38:47.1 -35:30:10
Equinox of date position of star is 17:40:19.8 -35:30:51
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 123 degrees from the moon.
Moon is 21% illuminated.
Apparent brightness V=21.1
Object is 22.5 AU from the Sun
and 22.8 AU from the Earth.
Apparent velocity is 19.1
km/sec on the sky relative to the star, or,
4.2 arcsec/hr.
The 1-sigma error in the time of the event is 505 seconds.
The 1-sigma cross-track error in the shadow position is
2975 km.
The object has an absolute magnitude Hv=7.3
Diameter=229.1 km assuming a 5% albedo -- 11.0 sec chord
Diameter=93.5 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is CENTAURR
Star training set for 471155, (2023/02/24 07:05UT) Object RA Dec mag sep mel Antares 16:30:49.8 -26:28:53 0.9 17.38 139 34Ups Sco 17:32:20.4 -37:18:43 2.7 2.41 124 PPM 296710 17:44:25.5 -36:57:18 5.4 1.66 122 PPM 296579 17:39:03.9 -35:20:43 8.3 0.31 123 PPM 296594 17:39:40.5 -35:36:51 9.7 0.17 123 471155 17:40:20.3 -35:30:51 15.9 122 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, (2023/02/24 07:05UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 17.38 139 34Ups Sco 17:30:45.8 -37:17:46 2.7 2.41 124 PPM 296710 17:42:51.1 -36:56:45 5.4 1.66 122 PPM 296579 17:37:30.9 -35:19:59 8.3 0.31 123 PPM 296594 17:38:07.3 -35:36:08 9.7 0.17 123 471155 17:38:47.1 -35:30:10 15.9 123 Positions are for J2000
Event circumstances last updated at 2023/01/09 03:33:45 UT
Marc W. Buie, Southwest Research Institute