Event between 13RG98 and star GA0700:00526504 with event index number of 2070971
Geocentric closest approach at 2023/02/18 12:56:17 UTC
J2000 position of star is 05:31:49.3 -19:50:28
Equinox of date position of star is 05:32:46.1 -19:49:35
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 118 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=22.4
TNO is 20.8 AU from the Sun
and 20.5 AU from the Earth.
The TNO is moving 21.7
km/sec on the sky relative to the star, or,
5.3 arcsec/hr.
The 1-sigma error in the time of the event is 60 seconds.
The 1-sigma cross-track error in the shadow position is
1999 km.
The TNO has an absolute magnitude Hv=9.0
Diameter=94.2 km assuming a 5% albedo -- 4.3 sec chord
Diameter=38.5 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 13RG98, (2023/02/18 12:56UT) Object RA Dec mag sep mel Rigel 05:15:39.0 -08:10:36 0.1 12.37 122 Nihal 05:29:14.2 -20:44:33 2.8 1.24 117 10 Lep 05:32:07.1 -20:50:53 5.4 1.04 117 PPM 215943 05:34:24.8 -19:16:46 8.0 0.66 118 PPM 215919 05:33:24.4 -19:54:46 9.5 0.16 118 13RG98 05:32:49.4 -19:49:32 16.2 118 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, (2023/02/18 12:56UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 12.37 122 Nihal 05:28:14.7 -20:45:36 2.8 1.24 117 10 Lep 05:31:07.6 -20:51:50 5.4 1.04 117 PPM 215943 05:33:24.4 -19:17:39 8.0 0.66 118 PPM 215919 05:32:24.4 -19:55:41 9.5 0.16 118 13RG98 05:31:49.3 -19:50:28 16.2 118 Positions are for J2000
Event circumstances last updated at 2021/11/14 01:17:26 UT
Marc W. Buie, Southwest Research Institute