Event between 13RG98 and star GA0680:00590838 with event index number of 2070954
Geocentric closest approach at 2022/10/10 23:23:10 UTC
J2000 position of star is 05:47:43.4 -20:08:12
Equinox of date position of star is 05:48:40.0 -20:07:50
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 64 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.4
TNO is 20.8 AU from the Sun
and 20.6 AU from the Earth.
The TNO is moving 17.3
km/sec on the sky relative to the star, or,
4.2 arcsec/hr.
The 1-sigma error in the time of the event is 63 seconds.
The 1-sigma cross-track error in the shadow position is
1585 km.
The TNO has an absolute magnitude Hv=9.0
Diameter=94.2 km assuming a 5% albedo -- 5.5 sec chord
Diameter=38.5 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
Star training set for 13RG98, (2022/10/10 23:27UT) Object RA Dec mag sep mel Sirius 06:46:09.1 -16:44:54 -1.5 14.03 76 Arneb 05:33:44.1 -17:48:27 2.6 4.23 60 PPM 216182 05:44:21.5 -18:32:55 5.7 1.88 63 PPM 249414 05:49:09.2 -20:01:02 8.5 0.15 64 PPM 249400 05:48:31.3 -20:13:48 9.6 0.11 64 13RG98 05:48:42.3 -20:07:49 16.5 65 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 13RG98, (2022/10/10 23:27UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:24 -1.5 14.03 76 Arneb 05:32:43.8 -17:49:20 2.6 4.23 60 PPM 216182 05:43:21.7 -18:33:27 5.7 1.88 63 PPM 249414 05:48:10.3 -20:01:25 8.5 0.15 64 PPM 249400 05:47:32.4 -20:14:12 9.6 0.11 64 13RG98 05:47:43.4 -20:08:12 16.5 64 Positions are for J2000
Event circumstances last updated at 2021/11/26 00:03:17 UT
Marc W. Buie, Southwest Research Institute