Event between (500881) 13JM64 and star GA0740:08449032 with event index number of 2335514
Geocentric closest approach at 2027/05/31 22:03:13 UTC
J2000 position of star is 17:29:17.4 -15:49:37
Equinox of date position of star is 17:30:34.6 -15:50:35
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 116 degrees from the moon.
Moon is 19% illuminated.
TNO apparent brightness V=24.3
TNO is 41.0 AU from the Sun
and 40.0 AU from the Earth.
The TNO is moving 23.9
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 1961 seconds.
The 1-sigma cross-track error in the shadow position is
5082 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=138.0 km assuming a 5% albedo -- 5.8 sec chord
Diameter=56.4 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is SCATNEAR
Star training set for 500881, (2027/05/31 22:03UT) Object RA Dec mag sep mel Antares 16:31:05.6 -26:29:25 0.9 17.51 129 35Eta Oph 17:11:57.1 -15:45:25 2.6 4.55 120 PPM 233351 17:39:10.7 -15:35:07 6.2 2.02 114 PPM 233141 17:31:04.4 -16:03:15 7.5 0.21 116 PPM 233151 17:31:32.6 -15:55:58 8.6 0.18 115 500881 17:30:52.0 -15:50:48 15.7 115 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 500881, (2027/05/31 22:03UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 17.51 129 35Eta Oph 17:10:22.7 -15:43:29 2.6 4.55 120 PPM 233351 17:37:36.2 -15:34:15 6.2 2.02 114 PPM 233141 17:29:29.6 -16:02:04 7.5 0.21 116 PPM 233151 17:29:57.9 -15:54:48 8.6 0.18 115 500881 17:29:17.4 -15:49:37 15.7 116 Positions are for J2000
Event circumstances last updated at 2022/05/08 23:02:11 UT
Marc W. Buie, Southwest Research Institute