Event between (612158) 00FV53 and star GA0800:05532035 with event index number of 2807049
Geocentric closest approach at 2023/07/30 09:06:09 UTC
J2000 position of star is 16:39:25.3 -09:41:41
Equinox of date position of star is 16:40:38.8 -09:44:14
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 29 degrees from the moon.
Moon is 91% illuminated.
TNO apparent brightness V=23.6
TNO is 34.8 AU from the Sun
and 34.3 AU from the Earth.
The TNO is moving 11.4
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 690 seconds.
The 1-sigma cross-track error in the shadow position is
2045 km.
The TNO has an absolute magnitude Hv=8.1
Diameter=147.2 km assuming a 5% albedo -- 12.9 sec chord
Diameter=60.1 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is 3:2E
Star training set for 612158, (2023/07/30 09:06UT) Object RA Dec mag sep mel Antares 16:30:51.4 -26:28:56 0.9 16.90 23 13Zet Oph 16:38:27.6 -10:36:47 2.6 1.03 29 PPM 199862 16:40:04.7 -08:39:50 6.4 1.09 30 PPM 199875 16:40:56.6 -09:36:01 6.9 0.15 29 PPM 199866 16:40:12.7 -09:45:16 9.8 0.12 29 612158 16:40:42.9 -09:44:23 15.8 29 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 612158, (2023/07/30 09:06UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.90 23 13Zet Oph 16:37:09.6 -10:34:01 2.6 1.03 29 PPM 199862 16:38:47.7 -08:37:07 6.4 1.09 30 PPM 199875 16:39:39.1 -09:33:20 6.9 0.15 29 PPM 199866 16:38:55.1 -09:42:33 9.8 0.12 29 612158 16:39:25.3 -09:41:41 15.8 29 Positions are for J2000
Event circumstances last updated at 2022/05/03 01:25:50 UT
Marc W. Buie, Southwest Research Institute