Event between (500886) 13JN65 and star GA0720:06187449 with event index number of 2336203
Geocentric closest approach at 2023/07/10 23:01:17 UTC
J2000 position of star is 16:28:52.1 -17:52:36
Equinox of date position of star is 16:30:13.1 -17:55:36
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 141 degrees from the moon.
Moon is 41% illuminated.
Apparent brightness V=23.7
Object is 41.2 AU from the Sun
and 40.4 AU from the Earth.
Apparent velocity is 18.4
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 205 seconds.
The 1-sigma cross-track error in the shadow position is
2464 km.
The object has an absolute magnitude Hv=7.5
Diameter=199.5 km assuming a 5% albedo -- 10.4 sec chord
Diameter=81.5 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 500886, (2023/07/10 23:01UT) Object RA Dec mag sep mel Antares 16:30:51.2 -26:28:56 0.9 8.56 139 8Bet1Sco 16:06:48.5 -19:52:05 2.6 5.87 146 7Chi Oph 16:28:23.4 -18:30:28 4.1 0.73 141 PPM 231740 16:30:07.3 -18:02:08 7.7 0.11 141 500886 16:30:13.9 -17:55:38 15.9 141 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 500886, (2023/07/10 23:01UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.56 139 8Bet1Sco 16:05:26.2 -19:48:20 2.6 5.87 146 7Chi Oph 16:27:01.4 -18:27:23 4.1 0.73 141 PPM 231740 16:28:45.6 -17:59:06 7.7 0.11 141 500886 16:28:52.1 -17:52:36 15.9 141 Positions are for J2000
Event circumstances last updated at 2023/04/19 02:40:57 UT
Marc W. Buie, Southwest Research Institute