Event between (470593) 08LP17 and star GA0620:20113835 with event index number of 2271859
Geocentric closest approach at 2024/09/29 23:35:35 UTC
J2000 position of star is 17:36:55.5 -26:49:49
Equinox of date position of star is 17:38:21.0 -26:50:34
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 108 degrees from the moon.
Moon is 7% illuminated.
TNO apparent brightness V=21.7
TNO is 31.5 AU from the Sun
and 31.7 AU from the Earth.
The TNO is moving 13.2
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 140 seconds.
The 1-sigma cross-track error in the shadow position is
1260 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=346.7 km assuming a 5% albedo -- 22.5 sec chord
Diameter=141.6 km assuming a 30% albedo -- 9.2 sec chord
Dynamical classification is CENTAURR
Star training set for 470593, (2024/09/29 23:35UT) Object RA Dec mag sep mel Antares 16:30:55.7 -26:29:05 0.9 15.08 93 34Ups Sco 17:32:26.9 -37:18:47 2.7 10.55 107 PPM 266967 17:33:16.7 -26:17:11 6.3 1.29 107 PPM 267027 17:36:19.0 -26:45:16 8.4 0.49 108 PPM 267064 17:38:37.2 -27:06:43 8.7 0.27 108 470593 17:38:28.3 -26:50:37 16.7 108 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 470593, (2024/09/29 23:35UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.08 93 34Ups Sco 17:30:45.8 -37:17:46 2.7 10.55 107 PPM 266967 17:31:44.4 -26:16:11 6.3 1.29 107 PPM 267027 17:34:46.3 -26:44:23 8.4 0.49 108 PPM 267064 17:37:04.3 -27:05:55 8.7 0.27 108 470593 17:36:55.5 -26:49:49 16.7 108 Positions are for J2000
Event circumstances last updated at 2022/10/22 04:11:47 UT
Marc W. Buie, Southwest Research Institute