Event between 12DR30 and star GA0120:00480552 with event index number of 2143951
Geocentric closest approach at 2023/08/21 09:37:06 UTC
J2000 position of star is 06:43:26.8 -77:37:47
Equinox of date position of star is 06:42:18.0 -77:39:15
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 84 degrees from the moon.
Moon is 21% illuminated.
Apparent brightness V=21.2
Object is 24.1 AU from the Sun
and 24.0 AU from the Earth.
Apparent velocity is 28.2
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
1833 km.
The object has an absolute magnitude Hv=7.1
Diameter=228.0 km assuming a 5% albedo -- 8.1 sec chord
Diameter=93.1 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is CENTAURS
Star training set for 12DR30, (2023/08/21 09:37UT) Object RA Dec mag sep mel Canopus 06:24:28.6 -52:42:34 -0.7 25.00 92 Bet Car 09:13:27.0 -69:48:54 1.7 12.79 73 The Men 06:55:02.7 -79:27:07 5.4 1.90 83 PPM 369235 06:36:33.3 -77:33:34 7.9 0.32 84 PPM 369282 06:42:48.1 -77:47:25 9.4 0.14 84 12DR30 06:42:17.8 -77:39:15 16.4 84 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 12DR30, (2023/08/21 09:37UT) Object RA Dec mag sep mel Canopus 06:23:57.2 -52:41:44 -0.7 25.00 92 Bet Car 09:13:11.3 -69:43:00 1.7 12.79 73 The Men 06:56:34.4 -79:25:13 5.4 1.90 83 PPM 369235 06:37:41.8 -77:32:18 7.9 0.32 84 PPM 369282 06:43:58.6 -77:45:56 9.4 0.14 84 12DR30 06:43:26.8 -77:37:47 16.4 84 Positions are for J2000
Event circumstances last updated at 2023/07/28 03:53:20 UT
Marc W. Buie, Southwest Research Institute