Event between (470593) 08LP17 and star GA0600:29879941 with event index number of 2274397
Geocentric closest approach at 2026/09/27 21:20:16 UTC
J2000 position of star is 17:58:38.5 -28:06:39
Equinox of date position of star is 18:00:05.2 -28:06:40
Stellar brightness G=14.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 110 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=21.8
TNO is 32.2 AU from the Sun
and 32.2 AU from the Earth.
The TNO is moving 9.4
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 266 seconds.
The 1-sigma cross-track error in the shadow position is
1318 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=346.7 km assuming a 5% albedo -- 31.8 sec chord
Diameter=141.6 km assuming a 30% albedo -- 13.0 sec chord
Dynamical classification is CENTAURR
Star training set for 470593, (2026/09/27 21:19UT) Object RA Dec mag sep mel Antares 16:31:03.1 -26:29:20 0.9 19.87 130 34Ups Sco 17:32:35.1 -37:18:52 2.7 10.89 116 Gam1Sgr 18:06:43.7 -29:34:35 4.7 2.03 109 PPM 267596 18:00:20.9 -28:45:34 6.6 0.65 110 PPM 267620 18:00:59.4 -27:57:36 8.7 0.21 110 470593 18:00:19.8 -28:06:40 14.6 110 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, (2026/09/27 21:19UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 19.87 130 34Ups Sco 17:30:45.8 -37:17:46 2.7 10.89 116 Gam1Sgr 18:05:01.2 -29:34:48 4.7 2.03 109 PPM 267596 17:58:39.0 -28:45:33 6.6 0.65 110 PPM 267620 17:59:18.3 -27:57:37 8.7 0.21 110 470593 17:58:38.5 -28:06:39 14.6 110 Positions are for J2000
Event circumstances last updated at 2022/11/13 04:08:43 UT
Marc W. Buie, Southwest Research Institute