Event between 15KG178 and star GA0660:07622536 with event index number of 1953827
Geocentric closest approach at 2023/07/14 16:18:29 UTC
J2000 position of star is 16:38:50.3 -23:49:32
Equinox of date position of star is 16:40:14.8 -23:52:12
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 174 degrees from the moon.
Moon is 9% illuminated.
Apparent brightness V=22.7
Object is 33.4 AU from the Sun
and 32.6 AU from the Earth.
Apparent velocity is 17.7
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 217 seconds.
The 1-sigma cross-track error in the shadow position is
2871 km.
The object has an absolute magnitude Hv=7.4
Diameter=197.7 km assuming a 5% albedo -- 11.2 sec chord
Diameter=80.7 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 15KG178, (2023/07/14 16:18UT) Object RA Dec mag sep mel Antares 16:30:51.3 -26:28:56 0.9 3.37 173 23Tau Sco 16:37:21.1 -28:15:46 2.8 4.44 174 22 Sco 16:31:38.5 -25:09:54 4.5 2.35 173 PPM 265797 16:42:38.6 -23:22:04 8.5 0.74 174 PPM 265771 16:40:42.9 -23:52:19 9.8 0.10 174 15KG178 16:40:15.7 -23:52:14 15.1 174 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 15KG178, (2023/07/14 16:18UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 3.37 173 23Tau Sco 16:35:52.9 -28:12:58 2.8 4.44 174 22 Sco 16:30:12.5 -25:06:55 4.5 2.35 173 PPM 265797 16:41:13.4 -23:19:27 8.5 0.74 174 PPM 265771 16:39:17.5 -23:49:38 9.8 0.10 174 15KG178 16:38:50.3 -23:49:32 15.1 174 Positions are for J2000
Event circumstances last updated at 2023/04/17 02:39:17 UT
Marc W. Buie, Southwest Research Institute