Event between (449097) 12UT68 and star GA1220:03397815 with event index number of 2289313
Geocentric closest approach at 2024/01/11 02:12:10 UTC
J2000 position of star is 09:14:39.4 +33:03:52
Equinox of date position of star is 09:16:03.2 +32:58:05
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 152 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=21.7
Object is 16.3 AU from the Sun
and 15.4 AU from the Earth.
Apparent velocity is 20.9
km/sec on the sky relative to the star, or,
6.7 arcsec/hr.
The 1-sigma error in the time of the event is 55 seconds.
The 1-sigma cross-track error in the shadow position is
813 km.
The object has an absolute magnitude Hv=9.5
Diameter=76.9 km assuming a 5% albedo -- 3.7 sec chord
Diameter=31.4 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 449097, (2024/01/11 02:12UT) Object RA Dec mag sep mel Pollux 07:46:47.1 +27:57:58 1.1 19.85 171 PPM 074277 09:10:19.2 +33:46:59 6.4 1.46 153 PPM 074384 09:18:45.5 +33:23:54 7.6 0.70 151 PPM 074368 09:17:00.7 +33:00:02 9.9 0.19 152 449097 09:16:07.0 +32:57:49 16.5 152 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 449097, (2024/01/11 02:12UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 19.85 171 PPM 074277 09:08:50.8 +33:52:54 6.4 1.46 153 PPM 074384 09:17:17.9 +33:30:01 7.6 0.70 151 PPM 074368 09:15:33.1 +33:06:05 9.9 0.19 152 449097 09:14:39.4 +33:03:52 16.5 152 Positions are for J2000
Event circumstances last updated at 2022/12/24 04:00:59 UT
Marc W. Buie, Southwest Research Institute