Event between (523620) 07RH283 and star GA1180:01818582 with event index number of 2387818
Geocentric closest approach at 2028/04/16 10:45:12 UTC
J2000 position of star is 05:49:25.4 +29:34:33
Equinox of date position of star is 05:50:59.2 +29:34:54
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 153 degrees from the moon.
Moon is 53% illuminated.
Apparent brightness V=22.1
Object is 21.1 AU from the Sun
and 21.5 AU from the Earth.
Apparent velocity is 19.4
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 155 seconds.
The 1-sigma cross-track error in the shadow position is
1444 km.
The object has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 6.0 sec chord
Diameter=46.9 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 523620, (2028/04/16 10:45UT) Object RA Dec mag sep mel Aldebaran 04:37:32.8 +16:33:51 0.8 21.32 135 Alnath 05:28:05.0 +28:37:44 1.6 5.14 148 PPM 095117 05:58:21.7 +28:56:38 6.5 1.68 155 PPM 094872 05:49:13.4 +29:39:52 8.1 0.44 152 PPM 094954 05:52:22.3 +29:45:53 10.0 0.31 153 523620 05:51:13.8 +29:34:57 16.6 153 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 523620, (2028/04/16 10:45UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 21.32 135 Alnath 05:26:17.6 +28:36:23 1.6 5.14 148 PPM 095117 05:56:33.8 +28:56:32 6.5 1.68 155 PPM 094872 05:47:24.9 +29:39:23 8.1 0.44 152 PPM 094954 05:50:33.7 +29:45:32 10.0 0.31 153 523620 05:49:25.4 +29:34:33 16.6 153 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:31:08 UT
Marc W. Buie, Southwest Research Institute