Event between (303775) 05QU182 and star GA0880:00146491 with event index number of 2183460
Geocentric closest approach at 2023/06/18 02:22:46 UTC
J2000 position of star is 01:46:50.4 -01:15:41
Equinox of date position of star is 01:48:01.8 -01:08:43
Stellar brightness G=14.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 63 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=21.4
Object is 55.3 AU from the Sun
and 55.8 AU from the Earth.
Apparent velocity is 18.6
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 119 seconds.
The 1-sigma cross-track error in the shadow position is
2088 km.
The object has an absolute magnitude Hv=3.8
Diameter=1042.4 km assuming a 5% albedo -- 56.8 sec chord
Diameter=425.5 km assuming a 30% albedo -- 23.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 303775, (2023/06/18 02:22UT) Object RA Dec mag sep mel Aldebaran 04:37:16.2 +16:33:17 0.8 45.33 18 68Omi Cet 02:20:32.0 -02:52:20 2.0 8.30 57 PPM 183757 01:43:54.8 -03:34:22 5.0 2.64 65 PPM 183831 01:47:43.6 -02:13:27 8.5 1.08 63 PPM 174973 01:49:09.0 -00:50:24 8.6 0.41 62 303775 01:48:02.2 -01:08:41 14.6 63 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 303775, (2023/06/18 02:22UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 45.33 18 68Omi Cet 02:19:20.8 -02:58:45 2.0 8.30 57 PPM 183757 01:42:43.5 -03:41:25 5.0 2.64 65 PPM 183831 01:46:32.0 -02:20:27 8.5 1.08 63 PPM 174973 01:47:57.0 -00:57:22 8.6 0.41 62 303775 01:46:50.4 -01:15:41 14.6 63 Positions are for J2000
Event circumstances last updated at 2023/05/03 03:52:31 UT
Marc W. Buie, Southwest Research Institute