Event between (385191) 97RT5 and star GA0880:00092180 with event index number of 2460237
Geocentric closest approach at 2023/01/26 21:53:52 UTC
J2000 position of star is 01:04:36.2 -00:29:28
Equinox of date position of star is 01:05:46.4 -00:22:08
Stellar brightness G=14.4,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 5 degrees from the moon.
Moon is 32% illuminated.
TNO apparent brightness V=23.5
TNO is 42.3 AU from the Sun
and 42.7 AU from the Earth.
The TNO is moving 15.7
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 280 seconds.
The 1-sigma cross-track error in the shadow position is
2039 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=235.5 km assuming a 5% albedo -- 14.7 sec chord
Diameter=96.1 km assuming a 30% albedo -- 6.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 385191, (2023/01/26 21:53UT) Object RA Dec mag sep mel Fomalhaut 22:58:55.2 -29:29:58 1.2 41.97 45 Diphda 00:44:44.8 -17:51:37 2.0 18.24 23 26 Cet 01:05:00.4 +01:29:24 6.0 1.87 3 PPM 174847 01:07:26.4 -00:08:33 8.5 0.47 5 PPM 174843 01:05:42.4 -00:47:34 10.7 0.43 5 385191 01:05:47.1 -00:22:04 14.4 5 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 385191, (2023/01/26 21:53UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 41.97 45 Diphda 00:43:35.7 -17:59:11 2.0 18.24 23 26 Cet 01:03:49.2 +01:22:00 6.0 1.87 3 PPM 174847 01:06:15.5 -00:15:55 8.5 0.47 5 PPM 174843 01:04:31.6 -00:54:58 10.7 0.43 5 385191 01:04:36.2 -00:29:28 14.4 5 Positions are for J2000
Event circumstances last updated at 2022/11/13 03:29:30 UT
Marc W. Buie, Southwest Research Institute