Event between (119315) 01SQ73 and star GA1260:03261284 with event index number of 2111643
Geocentric closest approach at 2023/05/15 21:46:04 UTC
J2000 position of star is 08:07:58.7 +37:15:01
Equinox of date position of star is 08:09:30.3 +37:10:52
Stellar brightness G=14.3,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 108 degrees from the moon.
Moon is 16% illuminated.
Apparent brightness V=22.9
Object is 20.2 AU from the Sun
and 20.6 AU from the Earth.
Apparent velocity is 21.2
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 103 seconds.
The 1-sigma cross-track error in the shadow position is
1878 km.
The object has an absolute magnitude Hv=9.5
Diameter=72.4 km assuming a 5% albedo -- 3.5 sec chord
Diameter=29.6 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 119315, (2023/05/15 21:46UT) Object RA Dec mag sep mel Pollux 07:46:44.6 +27:58:04 1.1 10.38 105 PPM 073264 07:57:11.9 +35:20:57 6.1 3.08 106 PPM 073474 08:12:03.3 +37:16:40 8.4 0.52 108 PPM 073446 08:10:21.1 +37:09:26 9.5 0.17 108 119315 08:09:30.6 +37:10:51 14.3 108 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 119315, (2023/05/15 21:46UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 10.38 105 PPM 073264 07:55:40.7 +35:24:45 6.1 3.08 106 PPM 073474 08:10:31.5 +37:20:54 8.4 0.52 108 PPM 073446 08:08:49.2 +37:13:37 9.5 0.17 108 119315 08:07:58.7 +37:15:01 14.3 108 Positions are for J2000
Event circumstances last updated at 2023/04/18 02:24:59 UT
Marc W. Buie, Southwest Research Institute