Event between (574398) 10LO33 and star GA0880:18265781 with event index number of 2518995
Geocentric closest approach at 2023/07/29 13:40:29 UTC
J2000 position of star is 20:20:05.9 -01:34:59
Equinox of date position of star is 20:21:13.6 -01:30:47
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 50 degrees from the moon.
Moon is 86% illuminated.
TNO apparent brightness V=20.6
TNO is 15.8 AU from the Sun
and 14.8 AU from the Earth.
The TNO is moving 20.9
km/sec on the sky relative to the star, or,
7.0 arcsec/hr.
The 1-sigma error in the time of the event is 181 seconds.
The 1-sigma cross-track error in the shadow position is
1770 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=116.4 km assuming a 5% albedo -- 5.6 sec chord
Diameter=47.5 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
Star training set for 574398, (2023/07/29 13:40UT) Object RA Dec mag sep mel Fomalhaut 22:58:56.9 -29:29:48 1.2 46.75 72 Tarazed 19:47:22.8 +10:40:20 2.7 14.82 51 PPM 204030 20:26:56.2 -02:43:21 6.0 1.86 50 PPM 180944 20:20:56.3 -01:00:10 7.4 0.51 50 PPM 180945 20:20:58.3 -01:29:53 10.0 0.09 50 574398 20:21:19.1 -01:30:27 16.1 50 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 574398, (2023/07/29 13:40UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 46.75 72 Tarazed 19:46:15.6 +10:36:48 2.7 14.82 51 PPM 204030 20:25:42.5 -02:48:02 6.0 1.86 50 PPM 180944 20:19:43.3 -01:04:42 7.4 0.51 50 PPM 180945 20:19:45.2 -01:34:25 10.0 0.09 50 574398 20:20:05.9 -01:34:59 16.1 50 Positions are for J2000
Event circumstances last updated at 2021/10/18 00:39:46 UT
Marc W. Buie, Southwest Research Institute