Event between 15VJ181 and star GA0740:00198082 with event index number of 2680554
Geocentric closest approach at 2023/02/05 01:14:26 UTC
J2000 position of star is 02:37:23.3 -15:15:39
Equinox of date position of star is 02:38:25.4 -15:10:02
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 98 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.6
TNO is 34.9 AU from the Sun
and 35.1 AU from the Earth.
The TNO is moving 20.4
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 99 seconds.
The 1-sigma cross-track error in the shadow position is
2069 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=202.3 km assuming a 5% albedo -- 11.9 sec chord
Diameter=82.6 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 15VJ181, (2023/02/05 01:13UT) Object RA Dec mag sep mel Rigel 05:15:38.9 -08:10:36 0.1 39.05 61 68Omi Cet 02:20:30.9 -02:52:26 2.0 13.06 98 PPM 211864 02:42:40.0 -14:27:05 6.4 1.24 97 PPM 211726 02:36:44.3 -14:50:45 7.2 0.53 99 PPM 211759 02:37:49.1 -15:06:08 8.6 0.17 98 15VJ181 02:38:29.0 -15:09:42 16.3 98 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 15VJ181, (2023/02/05 01:13UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 39.05 61 68Omi Cet 02:19:20.8 -02:58:45 2.0 13.06 98 PPM 211864 02:41:34.1 -14:32:57 6.4 1.24 97 PPM 211726 02:35:38.4 -14:56:45 7.2 0.53 99 PPM 211759 02:36:43.4 -15:12:07 8.6 0.17 98 15VJ181 02:37:23.3 -15:15:39 16.3 98 Positions are for J2000
Event circumstances last updated at 2021/10/27 00:02:33 UT
Marc W. Buie, Southwest Research Institute