Event between 15AD298 and star GA0660:00457115 with event index number of 2574751
Geocentric closest approach at 2023/08/18 20:47:45 UTC
J2000 position of star is 05:17:52.2 -23:33:36
Equinox of date position of star is 05:18:49.2 -23:32:14
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 97 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=21.8
TNO is 21.1 AU from the Sun
and 21.3 AU from the Earth.
The TNO is moving 26.8
km/sec on the sky relative to the star, or,
6.2 arcsec/hr.
The 1-sigma error in the time of the event is 44 seconds.
The 1-sigma cross-track error in the shadow position is
1000 km.
The TNO has an absolute magnitude Hv=8.3
Diameter=133.7 km assuming a 5% albedo -- 5.0 sec chord
Diameter=54.6 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURS
Star training set for 15AD298, (2023/08/18 20:49UT) Object RA Dec mag sep mel Rigel 05:15:40.5 -08:10:34 0.1 15.38 96 Nihal 05:29:15.5 -20:44:32 2.8 3.69 94 PPM 248771 05:21:27.5 -21:13:03 4.2 2.40 96 PPM 248689 05:17:25.0 -23:02:03 7.3 0.60 97 PPM 248724 05:18:57.9 -23:24:17 8.6 0.13 97 15AD298 05:18:51.3 -23:32:11 13.8 96 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 15AD298, (2023/08/18 20:49UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 15.38 96 Nihal 05:28:14.7 -20:45:36 2.8 3.69 94 PPM 248771 05:20:26.9 -21:14:24 4.2 2.40 96 PPM 248689 05:16:25.5 -23:03:32 7.3 0.60 97 PPM 248724 05:17:58.7 -23:25:43 8.6 0.13 97 15AD298 05:17:52.2 -23:33:36 13.8 97 Positions are for J2000
Event circumstances last updated at 2022/10/10 04:17:20 UT
Marc W. Buie, Southwest Research Institute