Event between (523618) 07RT15 and star GA1040:00415184 with event index number of 2426628
Geocentric closest approach at 2026/01/08 14:08:01 UTC
J2000 position of star is 03:59:33.1 +15:53:24
Equinox of date position of star is 04:00:54.4 +15:57:23
Stellar brightness G=13.5,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 114 degrees from the moon.
Moon is 70% illuminated.
Apparent brightness V=22.2
Object is 33.9 AU from the Sun
and 33.2 AU from the Earth.
Apparent velocity is 15.7
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 107 seconds.
The 1-sigma cross-track error in the shadow position is
1313 km.
The object has an absolute magnitude Hv=6.8
Diameter=259.4 km assuming a 5% albedo -- 16.7 sec chord
Diameter=105.9 km assuming a 30% albedo -- 6.8 sec chord
Dynamical classification is 3:2E
Star training set for 523618, (2026/01/08 14:05UT) Object RA Dec mag sep mel Aldebaran 04:37:25.0 +16:33:35 0.8 8.75 105 44Zet Per 03:55:46.5 +31:57:31 2.8 16.04 111 PPM 119638 04:09:10.6 +15:13:49 6.1 2.09 112 PPM 119538 04:02:12.9 +15:32:48 8.2 0.50 113 PPM 119495 03:59:27.7 +15:42:05 8.7 0.46 114 PPM 119513 04:00:41.3 +15:53:13 10.1 0.11 114 523618 04:01:01.7 +15:57:44 13.5 113 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 523618, (2026/01/08 14:05UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 8.75 105 44Zet Per 03:54:07.9 +31:53:01 2.8 16.04 111 PPM 119638 04:07:42.2 +15:09:46 6.1 2.09 112 PPM 119538 04:00:44.5 +15:28:30 8.2 0.50 113 PPM 119495 03:57:59.2 +15:37:42 8.7 0.46 114 PPM 119513 03:59:12.7 +15:48:52 10.1 0.11 114 523618 03:59:33.1 +15:53:24 13.5 113 Positions are for J2000
Event circumstances last updated at 2023/11/16 03:52:18 UT
Marc W. Buie, Southwest Research Institute