Event between (470593) 08LP17 and star GA0600:38430748 with event index number of 2278184
Geocentric closest approach at 2028/10/05 09:07:33 UTC
J2000 position of star is 18:20:28.6 -29:07:15
Equinox of date position of star is 18:21:56.1 -29:06:32
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 117 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=21.9
TNO is 32.9 AU from the Sun
and 33.0 AU from the Earth.
The TNO is moving 10.9
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 309 seconds.
The 1-sigma cross-track error in the shadow position is
1418 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=346.7 km assuming a 5% albedo -- 27.4 sec chord
Diameter=141.6 km assuming a 30% albedo -- 11.2 sec chord
Dynamical classification is CENTAURR
Star training set for 470593, (2028/10/05 09:07UT) Object RA Dec mag sep mel Antares 16:31:10.6 -26:29:36 0.9 24.66 142 Nunki 18:57:02.8 -26:15:30 2.0 8.20 109 PPM 268436 18:29:39.8 -29:47:48 6.0 1.74 116 PPM 268274 18:22:48.1 -28:41:31 8.4 0.43 117 PPM 268285 18:23:07.2 -29:05:39 9.1 0.18 117 470593 18:22:18.4 -29:06:21 15.5 117 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, (2028/10/05 09:07UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.66 142 Nunki 18:55:15.9 -26:17:49 2.0 8.20 109 PPM 268436 18:27:49.5 -29:49:00 6.0 1.74 116 PPM 268274 18:20:58.7 -28:42:26 8.4 0.43 117 PPM 268285 18:21:17.5 -29:06:35 9.1 0.18 117 470593 18:20:28.6 -29:07:15 15.5 117 Positions are for J2000
Event circumstances last updated at 2022/12/06 03:04:40 UT
Marc W. Buie, Southwest Research Institute