Event between (590218) 11UD63 and star GA1180:01697125 with event index number of 2685727
Geocentric closest approach at 2027/01/01 15:26:19 UTC
J2000 position of star is 05:42:13.3 +29:30:05
Equinox of date position of star is 05:43:44.9 +29:30:41
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 127 degrees from the moon.
Moon is 32% illuminated.
Apparent brightness V=20.2
Object is 14.2 AU from the Sun
and 13.2 AU from the Earth.
Apparent velocity is 21.5
km/sec on the sky relative to the star, or,
8.1 arcsec/hr.
The 1-sigma error in the time of the event is 85 seconds.
The 1-sigma cross-track error in the shadow position is
570 km.
The object has an absolute magnitude Hv=8.7
Diameter=105.2 km assuming a 5% albedo -- 5.0 sec chord
Diameter=42.9 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 590218, (2027/01/01 15:25UT) Object RA Dec mag sep mel Aldebaran 04:37:28.4 +16:33:42 0.8 20.00 142 Alnath 05:28:00.1 +28:37:40 1.6 3.59 130 PPM 094619 05:41:01.4 +29:13:41 5.9 0.70 127 PPM 094672 05:43:04.9 +29:30:21 7.8 0.19 127 PPM 094695 05:43:42.7 +29:32:02 9.5 0.05 127 590218 05:43:56.7 +29:30:45 16.2 126 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 590218, (2027/01/01 15:25UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 20.00 142 Alnath 05:26:17.6 +28:36:23 1.6 3.59 130 PPM 094619 05:39:18.3 +29:12:54 5.9 0.70 127 PPM 094672 05:41:21.5 +29:29:39 7.8 0.19 127 PPM 094695 05:41:59.3 +29:31:22 9.5 0.05 127 590218 05:42:13.3 +29:30:05 16.2 127 Positions are for J2000
Event circumstances last updated at 2023/12/07 04:34:10 UT
Marc W. Buie, Southwest Research Institute