Event between (418993) 09MS9 and star GA0720:00348372 with event index number of 2217371
Geocentric closest approach at 2024/10/06 02:51:18 UTC
J2000 position of star is 04:25:37.5 -17:39:14
Equinox of date position of star is 04:26:41.5 -17:36:04
Stellar brightness G=14.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 136 degrees from the moon.
Moon is 10% illuminated.
Apparent brightness V=23.4
Object is 22.7 AU from the Sun
and 22.1 AU from the Earth.
Apparent velocity is 25.7
km/sec on the sky relative to the star, or,
5.8 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
1106 km.
The object has an absolute magnitude Hv=9.7
Diameter=67.9 km assuming a 5% albedo -- 2.6 sec chord
Diameter=27.7 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURS
Star training set for 418993, (2024/10/06 02:51UT) Object RA Dec mag sep mel Rigel 05:15:43.8 -08:10:29 0.1 15.20 137 Nihal 05:29:18.4 -20:44:29 2.8 15.10 125 PPM 214537 04:36:05.8 -19:52:17 6.2 3.17 133 PPM 214323 04:27:07.0 -17:48:44 8.1 0.23 136 418993 04:26:44.0 -17:35:56 14.8 136 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, (2024/10/06 02:51UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 15.20 137 Nihal 05:28:14.7 -20:45:36 2.8 15.10 125 PPM 214537 04:35:00.9 -19:55:15 6.2 3.17 133 PPM 214323 04:26:00.6 -17:52:01 8.1 0.23 136 418993 04:25:37.5 -17:39:14 14.8 136 Positions are for J2000
Event circumstances last updated at 2023/11/08 05:33:00 UT
Marc W. Buie, Southwest Research Institute