Event between (408832) 01QJ298 and star GA0860:16983910 with event index number of 1415807
Geocentric closest approach at 2024/10/22 01:18:37 UTC
J2000 position of star is 23:38:08.4 -02:51:19
Equinox of date position of star is 23:39:15.7 -02:44:04
Stellar brightness G=13.9,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 98 degrees from the moon.
Moon is 73% illuminated.
TNO apparent brightness V=22.7
TNO is 44.4 AU from the Sun
and 43.6 AU from the Earth.
The TNO is moving 19.8
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 393 seconds.
The 1-sigma cross-track error in the shadow position is
4477 km.
The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 17.5 sec chord
Diameter=141.6 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 408832, (2024/10/22 01:19UT) Object RA Dec mag sep mel Fomalhaut 22:59:00.9 -29:29:24 1.2 28.44 118 Markab 23:05:59.9 +15:20:21 2.5 19.86 96 14 Psc 23:35:25.5 -01:06:37 5.9 1.89 98 PPM 207784 23:40:06.2 -02:49:21 8.3 0.20 97 PPM 207768 23:39:25.0 -02:44:28 9.6 0.02 98 408832 23:39:24.9 -02:43:04 13.9 97 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 408832, (2024/10/22 01:19UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 28.44 118 Markab 23:04:45.8 +15:12:18 2.5 19.86 96 14 Psc 23:34:09.2 -01:14:51 5.9 1.89 98 PPM 207784 23:38:49.8 -02:57:36 8.3 0.20 97 PPM 207768 23:38:08.6 -02:52:43 9.6 0.02 98 408832 23:38:08.4 -02:51:19 13.9 98 Positions are for J2000
Event circumstances last updated at 2021/10/30 23:04:43 UT
Marc W. Buie, Southwest Research Institute