Event between (523652) 11LZ28 and star GA1180:00353492 with event index number of 2241288
Geocentric closest approach at 2027/10/01 21:24:57 UTC
J2000 position of star is 02:29:22.3 +29:22:38
Equinox of date position of star is 02:30:46.8 +29:28:58
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 165 degrees from the moon.
Moon is 4% illuminated.
Apparent brightness V=21.7
Object is 28.1 AU from the Sun
and 27.3 AU from the Earth.
Apparent velocity is 17.8
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 131 seconds.
The 1-sigma cross-track error in the shadow position is
1365 km.
The object has an absolute magnitude Hv=7.1
Diameter=222.9 km assuming a 5% albedo -- 12.8 sec chord
Diameter=91.0 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is CENTAURR
Star training set for 523652, (2027/10/01 21:24UT) Object RA Dec mag sep mel Aldebaran 04:37:31.0 +16:33:47 0.8 31.71 141 Hamal 02:08:44.6 +23:35:33 2.0 7.72 173 12 Tri 02:29:48.1 +29:47:30 5.3 0.39 165 PPM 091712 02:30:24.1 +29:48:35 8.0 0.34 165 PPM 091730 02:31:24.8 +29:29:39 10.0 0.09 165 523652 02:31:00.4 +29:29:59 16.4 165 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 523652, (2027/10/01 21:24UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 31.71 141 Hamal 02:07:10.7 +23:27:41 2.0 7.72 173 12 Tri 02:28:10.0 +29:40:08 5.3 0.39 165 PPM 091712 02:28:45.9 +29:41:13 8.0 0.34 165 PPM 091730 02:29:46.7 +29:22:18 10.0 0.09 165 523652 02:29:22.3 +29:22:38 16.4 165 Positions are for J2000
Event circumstances last updated at 2023/11/27 04:18:01 UT
Marc W. Buie, Southwest Research Institute