Event between (532093) 13HV156 and star GA0840:05871478 with event index number of 2448403
Geocentric closest approach at 2028/04/01 19:21:27 UTC
J2000 position of star is 17:29:02.1 -04:57:29
Equinox of date position of star is 17:30:15.2 -04:58:30
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 158 degrees from the moon.
Moon is 39% illuminated.
TNO apparent brightness V=22.0
TNO is 46.2 AU from the Sun
and 45.8 AU from the Earth.
The TNO is moving 10.3
km/sec on the sky relative to the star, or,
1.1 arcsec/hr.
The 1-sigma error in the time of the event is 275 seconds.
The 1-sigma cross-track error in the shadow position is
3124 km.
The TNO has an absolute magnitude Hv=5.2
Diameter=532.1 km assuming a 5% albedo -- 52.0 sec chord
Diameter=217.2 km assuming a 30% albedo -- 21.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 532093, (2028/04/01 19:23UT) Object RA Dec mag sep mel Antares 16:31:08.7 -26:29:32 0.9 25.77 160 60Bet Oph 17:44:52.2 +04:33:27 2.8 10.19 149 PPM 200658 17:28:08.0 -05:06:33 4.5 0.61 158 PPM 200737 17:32:09.5 -05:20:39 8.4 0.54 158 PPM 200698 17:30:12.6 -04:45:40 10.0 0.23 158 532093 17:30:32.2 -04:58:44 16.6 158 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 532093, (2028/04/01 19:23UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 25.77 160 60Bet Oph 17:43:28.3 +04:34:06 2.8 10.19 149 PPM 200658 17:26:37.7 -05:05:13 4.5 0.61 158 PPM 200737 17:30:39.1 -05:19:29 8.4 0.54 158 PPM 200698 17:28:42.7 -04:44:25 10.0 0.23 158 532093 17:29:02.1 -04:57:29 16.6 158 Positions are for J2000
Event circumstances last updated at 2022/11/29 02:47:59 UT
Marc W. Buie, Southwest Research Institute