Event between (471931) 13PH44 and star GA0760:00333098 with event index number of 2457007
Geocentric closest approach at 2028/08/25 03:28:37 UTC
J2000 position of star is 04:12:22.5 -12:04:04
Equinox of date position of star is 04:13:29.6 -12:00:29
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 29% illuminated.
Apparent brightness V=22.2
Object is 18.0 AU from the Sun
and 17.9 AU from the Earth.
Apparent velocity is 17.3
km/sec on the sky relative to the star, or,
4.8 arcsec/hr.
The 1-sigma error in the time of the event is 62 seconds.
The 1-sigma cross-track error in the shadow position is
2003 km.
The object has an absolute magnitude Hv=9.4
Diameter=80.5 km assuming a 5% albedo -- 4.7 sec chord
Diameter=32.9 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 471931, (2028/08/25 03:29UT) Object RA Dec mag sep mel Rigel 05:15:55.0 -08:10:15 0.1 15.77 128 67Bet Eri 05:09:15.6 -05:03:05 2.8 15.38 131 39 Eri 04:15:45.6 -10:11:14 4.2 1.88 139 PPM 214015 04:14:43.8 -12:13:28 8.1 0.34 137 PPM 213994 04:13:47.7 -11:51:20 9.8 0.14 138 471931 04:13:43.3 -11:59:46 16.7 138 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, (2028/08/25 03:29UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 15.77 128 67Bet Eri 05:07:50.8 -05:05:13 2.8 15.38 131 39 Eri 04:14:23.7 -10:15:27 4.2 1.88 139 PPM 214015 04:13:23.1 -12:17:44 8.1 0.34 137 PPM 213994 04:12:26.8 -11:55:39 9.8 0.14 138 471931 04:12:22.5 -12:04:04 16.7 138 Positions are for J2000
Event circumstances last updated at 2023/10/28 00:51:42 UT
Marc W. Buie, Southwest Research Institute