Event between (418993) 09MS9 and star GA0640:00366253 with event index number of 2217448
Geocentric closest approach at 2027/11/23 20:30:12 UTC
J2000 position of star is 04:43:36.1 -24:56:11
Equinox of date position of star is 04:44:35.5 -24:53:36
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 109 degrees from the moon.
Moon is 20% illuminated.
Apparent brightness V=24.1
Object is 26.7 AU from the Sun
and 26.0 AU from the Earth.
Apparent velocity is 27.9
km/sec on the sky relative to the star, or,
5.3 arcsec/hr.
The 1-sigma error in the time of the event is 51 seconds.
The 1-sigma cross-track error in the shadow position is
1991 km.
The object has an absolute magnitude Hv=9.7
Diameter=67.9 km assuming a 5% albedo -- 2.4 sec chord
Diameter=27.7 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURS
Star training set for 418993, (2027/11/23 20:30UT) Object RA Dec mag sep mel Rigel 05:15:52.8 -08:10:17 0.1 18.29 105 Nihal 05:29:26.5 -20:44:20 2.8 11.10 100 PPM 247865 04:41:16.5 -24:25:47 5.6 0.91 110 PPM 247938 04:44:59.3 -24:43:45 8.4 0.17 109 PPM 247932 04:44:48.6 -24:50:57 9.3 0.04 109 418993 04:44:45.5 -24:53:10 15.1 108 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 418993, (2027/11/23 20:30UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 18.29 105 Nihal 05:28:14.7 -20:45:36 2.8 11.10 100 PPM 247865 04:40:06.7 -24:28:56 5.6 0.91 110 PPM 247938 04:43:49.8 -24:46:46 8.4 0.17 109 PPM 247932 04:43:39.2 -24:53:59 9.3 0.04 109 418993 04:43:36.1 -24:56:11 15.1 109 Positions are for J2000
Event circumstances last updated at 2023/11/28 04:18:33 UT
Marc W. Buie, Southwest Research Institute