Event between (523764) 14WC510 and star GA0920:02876862 with event index number of 2613816
Geocentric closest approach at 2028/09/22 08:50:43 UTC
J2000 position of star is 07:45:13.1 +02:03:11
Equinox of date position of star is 07:46:28.4 +01:59:35
Stellar brightness G=15.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 109 degrees from the moon.
Moon is 18% illuminated.
Apparent brightness V=22.1
Object is 29.6 AU from the Sun
and 30.0 AU from the Earth.
Apparent velocity is 21.4
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 168 seconds.
The 1-sigma cross-track error in the shadow position is
3041 km.
The object has an absolute magnitude Hv=7.2
Diameter=212.8 km assuming a 5% albedo -- 10.0 sec chord
Diameter=86.9 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 523764, (2028/09/22 08:45UT) Object RA Dec mag sep mel Sirius 06:46:25.0 -16:45:19 -1.5 23.92 114 Alhena 06:39:22.3 +16:22:20 1.9 21.95 130 13Zet CMi 07:53:11.3 +01:41:29 5.1 1.64 108 PPM 153219 07:45:37.3 +02:20:05 6.8 0.45 110 PPM 153260 07:47:02.2 +02:07:02 9.9 0.16 109 PPM 153245 07:46:30.8 +02:03:53 10.9 0.10 109 523764 07:46:42.6 +01:58:54 15.2 109 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 523764, (2028/09/22 08:45UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:25 -1.5 23.92 114 Alhena 06:37:42.8 +16:23:56 1.9 21.95 130 13Zet CMi 07:51:42.0 +01:46:01 5.1 1.64 108 PPM 153219 07:44:07.5 +02:24:20 6.8 0.45 110 PPM 153260 07:45:32.6 +02:11:19 9.9 0.16 109 PPM 153245 07:45:01.2 +02:08:09 10.9 0.10 109 523764 07:45:13.1 +02:03:11 15.2 109 Positions are for J2000
Event circumstances last updated at 2024/03/07 04:45:41 UT
Marc W. Buie, Southwest Research Institute