Event between (524216) 01RU143 and star GA1020:00218946 with event index number of 1591785
Geocentric closest approach at 2024/09/21 22:07:00 UTC
J2000 position of star is 02:24:45.7 +13:21:13
Equinox of date position of star is 02:26:05.5 +13:27:47
Stellar brightness G=13.0,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 15 degrees from the moon.
Moon is 80% illuminated.
Apparent brightness V=22.9
Object is 45.2 AU from the Sun
and 44.4 AU from the Earth.
Apparent velocity is 19.2
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 332 seconds.
The 1-sigma cross-track error in the shadow position is
2975 km.
The object has an absolute magnitude Hv=6.3
Diameter=316.2 km assuming a 5% albedo -- 17.3 sec chord
Diameter=129.1 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is 3:2E
Star training set for 524216, (2024/09/21 22:07UT) Object RA Dec mag sep mel Aldebaran 04:37:20.5 +16:33:26 0.8 31.81 19 6Bet Ari 01:56:00.7 +20:55:41 2.6 10.36 19 29 Ari 02:34:15.6 +15:08:34 6.0 2.59 13 PPM 118210 02:26:30.0 +13:30:48 8.4 0.11 15 524216 02:26:06.4 +13:27:52 13.0 15 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 524216, (2024/09/21 22:07UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 31.81 19 6Bet Ari 01:54:38.5 +20:48:26 2.6 10.36 19 29 Ari 02:32:54.1 +15:02:05 6.0 2.59 13 PPM 118210 02:25:09.2 +13:24:09 8.4 0.11 15 524216 02:24:45.7 +13:21:13 13.0 15 Positions are for J2000
Event circumstances last updated at 2024/06/12 03:40:13 UT
Marc W. Buie, Southwest Research Institute