Event between (523686) 14DB143 and star GA0860:07315231 with event index number of 2621866
Geocentric closest approach at 2023/06/13 16:18:01 UTC
J2000 position of star is 18:19:23.9 -02:37:19
Equinox of date position of star is 18:20:37.0 -02:36:38
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 112 degrees from the moon.
Moon is 20% illuminated.
Apparent brightness V=22.1
Object is 20.0 AU from the Sun
and 19.1 AU from the Earth.
Apparent velocity is 22.2
km/sec on the sky relative to the star, or,
5.8 arcsec/hr.
The 1-sigma error in the time of the event is 96 seconds.
The 1-sigma cross-track error in the shadow position is
849 km.
The object has an absolute magnitude Hv=9.1
Diameter=91.2 km assuming a 5% albedo -- 4.1 sec chord
Diameter=37.2 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 523686, (2023/06/13 16:18UT) Object RA Dec mag sep mel Antares 16:30:50.9 -26:28:55 0.9 35.53 139 60Bet Oph 17:44:37.9 +04:33:33 2.8 11.50 119 58Eta Ser 18:22:31.5 -02:53:26 3.3 0.55 112 PPM 201610 18:20:15.0 -03:09:27 7.9 0.55 112 PPM 201608 18:20:09.9 -02:30:56 9.6 0.15 112 523686 18:20:37.5 -02:36:38 16.5 112 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 523686, (2023/06/13 16:18UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 35.53 139 60Bet Oph 17:43:28.3 +04:34:06 2.8 11.50 119 58Eta Ser 18:21:17.8 -02:54:11 3.3 0.55 112 PPM 201610 18:19:01.2 -03:10:07 7.9 0.55 112 PPM 201608 18:18:56.5 -02:31:36 9.6 0.15 112 523686 18:19:23.9 -02:37:19 16.5 112 Positions are for J2000
Event circumstances last updated at 2023/04/20 03:43:15 UT
Marc W. Buie, Southwest Research Institute