Event between 15KG178 and star GA0640:09229161 with event index number of 1953900
Geocentric closest approach at 2024/02/18 19:19:21 UTC
J2000 position of star is 16:55:02.6 -24:46:25
Equinox of date position of star is 16:56:31.1 -24:48:39
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 169 degrees from the moon.
Moon is 72% illuminated.
Apparent brightness V=22.8
Object is 33.5 AU from the Sun
and 33.8 AU from the Earth.
Apparent velocity is 13.8
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 336 seconds.
The 1-sigma cross-track error in the shadow position is
3910 km.
The object has an absolute magnitude Hv=7.4
Diameter=197.7 km assuming a 5% albedo -- 14.3 sec chord
Diameter=80.7 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 15KG178, (2024/02/18 19:19UT) Object RA Dec mag sep mel Antares 16:30:53.5 -26:29:00 0.9 6.01 164 23Tau Sco 16:37:23.4 -28:15:50 2.8 5.50 166 26 Oph 17:01:38.4 -25:01:25 5.8 1.18 170 PPM 266130 16:56:25.5 -24:32:44 8.2 0.27 169 15KG178 16:56:31.2 -24:48:39 16.7 170 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, (2024/02/18 19:19UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 6.01 164 23Tau Sco 16:35:52.9 -28:12:58 2.8 5.50 166 26 Oph 17:00:09.6 -24:59:22 5.8 1.18 170 PPM 266130 16:54:57.2 -24:30:30 8.2 0.27 169 15KG178 16:55:02.6 -24:46:25 16.7 169 Positions are for J2000
Event circumstances last updated at 2024/02/12 04:17:35 UT
Marc W. Buie, Southwest Research Institute