Event between (470593) 08LP17 and star GA0600:38618116 with event index number of 2278211
Geocentric closest approach at 2028/10/13 18:45:19 UTC
J2000 position of star is 18:20:58.2 -29:06:16
Equinox of date position of star is 18:22:25.6 -29:05:33
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 134 degrees from the moon.
Moon is 26% illuminated.
TNO apparent brightness V=21.9
TNO is 32.9 AU from the Sun
and 33.2 AU from the Earth.
The TNO is moving 15.0
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 226 seconds.
The 1-sigma cross-track error in the shadow position is
1395 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=346.7 km assuming a 5% albedo -- 19.8 sec chord
Diameter=141.6 km assuming a 30% albedo -- 8.1 sec chord
Dynamical classification is CENTAURR
Star training set for 470593, (2028/10/13 18:45UT) Object RA Dec mag sep mel Antares 16:31:10.6 -26:29:36 0.9 24.77 109 Nunki 18:57:02.9 -26:15:29 2.0 8.09 142 PPM 268436 18:29:39.9 -29:47:48 6.0 1.65 135 PPM 268274 18:22:48.2 -28:41:31 8.4 0.40 134 PPM 268285 18:23:07.3 -29:05:39 9.1 0.07 134 470593 18:22:48.0 -29:05:21 16.9 134 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, (2028/10/13 18:45UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.77 109 Nunki 18:55:15.9 -26:17:49 2.0 8.09 142 PPM 268436 18:27:49.5 -29:49:00 6.0 1.65 135 PPM 268274 18:20:58.7 -28:42:26 8.4 0.40 134 PPM 268285 18:21:17.5 -29:06:35 9.1 0.07 134 470593 18:20:58.2 -29:06:16 16.9 133 Positions are for J2000
Event circumstances last updated at 2022/12/06 03:06:37 UT
Marc W. Buie, Southwest Research Institute