Event between 10LB136 and star GA0720:32998169 with event index number of 2101445
Geocentric closest approach at 2023/08/20 23:20:25 UTC
J2000 position of star is 20:25:02.7 -17:19:16
Equinox of date position of star is 20:26:23.2 -17:14:36
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 107 degrees from the moon.
Moon is 18% illuminated.
Apparent brightness V=20.7
Object is 29.2 AU from the Sun
and 28.2 AU from the Earth.
Apparent velocity is 21.0
km/sec on the sky relative to the star, or,
3.7 arcsec/hr.
The 1-sigma error in the time of the event is 53 seconds.
The 1-sigma cross-track error in the shadow position is
1028 km.
The object has an absolute magnitude Hv=6.0
Diameter=368.1 km assuming a 5% albedo -- 18.2 sec chord
Diameter=150.3 km assuming a 30% albedo -- 7.4 sec chord
Dynamical classification is 3:2E
Star training set for 10LB136, (2023/08/20 23:19UT) Object RA Dec mag sep mel Fomalhaut 22:58:57.0 -29:29:47 1.2 36.89 133 38Zet Sgr 19:04:06.8 -29:50:39 2.7 22.62 86 10Pi Cap 20:28:40.2 -18:07:58 5.2 1.04 107 PPM 237438 20:27:52.2 -17:17:56 7.5 0.36 107 PPM 237404 20:26:45.2 -17:14:38 9.4 0.09 107 10LB136 20:26:23.3 -17:14:35 15.8 107 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 10LB136, (2023/08/20 23:19UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 36.89 133 38Zet Sgr 19:02:36.7 -29:52:49 2.7 22.62 86 10Pi Cap 20:27:19.2 -18:12:43 5.2 1.04 107 PPM 237438 20:26:31.7 -17:22:40 7.5 0.36 107 PPM 237404 20:25:24.6 -17:19:20 9.4 0.09 107 10LB136 20:25:02.7 -17:19:16 15.8 107 Positions are for J2000
Event circumstances last updated at 2023/08/09 02:50:34 UT
Marc W. Buie, Southwest Research Institute