Event between (613411) 06HQ122 and star GA0780:05255990 with event index number of 2820730
Geocentric closest approach at 2023/05/16 00:55:32 UTC
J2000 position of star is 16:07:21.6 -11:06:32
Equinox of date position of star is 16:08:35.5 -11:10:02
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 128 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=22.7
TNO is 41.3 AU from the Sun
and 40.3 AU from the Earth.
The TNO is moving 24.1
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 152 seconds.
The 1-sigma cross-track error in the shadow position is
1843 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=295.1 km assuming a 5% albedo -- 12.3 sec chord
Diameter=120.5 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 613411, (2023/05/16 00:56UT) Object RA Dec mag sep mel Antares 16:30:50.7 -26:28:55 0.9 16.18 120 13Zet Oph 16:38:26.9 -10:36:45 2.6 7.34 120 15Psi Sco 16:13:16.8 -10:07:23 4.9 1.55 127 PPM 231239 16:08:51.3 -11:37:30 8.5 0.46 128 PPM 231227 16:08:21.6 -11:13:52 9.1 0.09 128 613411 16:08:38.9 -11:10:11 16.7 127 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 613411, (2023/05/16 00:56UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.18 120 13Zet Oph 16:37:09.6 -10:34:01 2.6 7.34 120 15Psi Sco 16:12:00.0 -10:03:52 4.9 1.55 127 PPM 231239 16:07:33.8 -11:33:51 8.5 0.46 128 PPM 231227 16:07:04.3 -11:10:11 9.1 0.09 128 613411 16:07:21.6 -11:06:32 16.7 128 Positions are for J2000
Event circumstances last updated at 2022/05/03 01:17:46 UT
Marc W. Buie, Southwest Research Institute