Event between (471931) 13PH44 and star GA0760:00184015 with event index number of 2456886
Geocentric closest approach at 2023/07/25 03:58:36 UTC
J2000 position of star is 02:23:28.2 -12:13:01
Equinox of date position of star is 02:24:36.0 -12:06:43
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 155 degrees from the moon.
Moon is 43% illuminated.
Apparent brightness V=21.9
Object is 16.6 AU from the Sun
and 16.5 AU from the Earth.
Apparent velocity is 16.2
km/sec on the sky relative to the star, or,
4.9 arcsec/hr.
The 1-sigma error in the time of the event is 43 seconds.
The 1-sigma cross-track error in the shadow position is
758 km.
The object has an absolute magnitude Hv=9.4
Diameter=80.5 km assuming a 5% albedo -- 5.0 sec chord
Diameter=32.9 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
Star training set for 471931, (2023/07/25 03:59UT) Object RA Dec mag sep mel Rigel 05:15:40.3 -08:10:34 0.1 42.24 121 68Omi Cet 02:20:32.3 -02:52:18 2.0 9.29 163 72Rho Cet 02:27:05.4 -12:11:07 4.9 0.61 154 PPM 211391 02:21:52.5 -11:29:59 8.2 0.91 156 PPM 211437 02:23:37.5 -11:54:16 9.8 0.32 155 471931 02:24:36.7 -12:06:39 16.9 155 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 471931, (2023/07/25 03:59UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 42.24 121 68Omi Cet 02:19:20.8 -02:58:45 2.0 9.29 163 72Rho Cet 02:25:57.0 -12:17:26 4.9 0.61 154 PPM 211391 02:20:43.8 -11:36:24 8.2 0.91 156 PPM 211437 02:22:29.0 -12:00:39 9.8 0.32 155 471931 02:23:28.2 -12:13:01 16.9 155 Positions are for J2000
Event circumstances last updated at 2023/05/03 03:52:43 UT
Marc W. Buie, Southwest Research Institute