Event between (523771) 14XP40 and star GA0720:04944554 with event index number of 2306730
Geocentric closest approach at 2028/03/12 17:44:47 UTC
J2000 position of star is 13:01:41.5 -17:37:45
Equinox of date position of star is 13:02:59.6 -17:45:38
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 7 degrees from the moon.
Moon is 96% illuminated.
Apparent brightness V=21.6
Object is 27.9 AU from the Sun
and 27.1 AU from the Earth.
Apparent velocity is 18.8
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 159 seconds.
The 1-sigma cross-track error in the shadow position is
1718 km.
The object has an absolute magnitude Hv=7.1
Diameter=233.4 km assuming a 5% albedo -- 12.5 sec chord
Diameter=95.3 km assuming a 30% albedo -- 5.1 sec chord
Dynamical classification is CENTAURR
Star training set for 523771, (2028/03/12 17:49UT) Object RA Dec mag sep mel Spica 13:26:41.0 -11:18:27 1.0 8.61 8 9Bet Crv 12:35:52.5 -23:33:08 2.6 8.61 13 PPM 226546 12:57:22.5 -15:28:45 6.2 2.69 4 PPM 226671 13:02:52.4 -18:02:00 7.6 0.26 7 PPM 226674 13:02:54.1 -17:42:40 9.4 0.10 7 523771 13:03:11.4 -17:46:50 13.8 7 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 523771, (2028/03/12 17:49UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 8.61 8 9Bet Crv 12:34:23.2 -23:23:49 2.6 8.61 13 PPM 226546 12:55:53.2 -15:19:37 6.2 2.69 4 PPM 226671 13:01:22.4 -17:52:56 7.6 0.26 7 PPM 226674 13:01:24.1 -17:33:36 9.4 0.10 7 523771 13:01:41.5 -17:37:45 13.8 7 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:29:33 UT
Marc W. Buie, Southwest Research Institute