Event between (15810) Arawn and star GA0700:33831778 with event index number of 1406787
Geocentric closest approach at 2024/09/03 23:27:35 UTC
J2000 position of star is 19:56:28.8 -18:59:36
Equinox of date position of star is 19:57:51.1 -18:55:44
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 126 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=23.4
Object is 36.2 AU from the Sun
and 35.5 AU from the Earth.
Apparent velocity is 15.8
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 385 seconds.
The 1-sigma cross-track error in the shadow position is
1556 km.
The object has an absolute magnitude Hv=7.7
Diameter=173.8 km assuming a 5% albedo -- 11.1 sec chord
Diameter=70.9 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is 3:2E
Star training set for 15810, (2024/09/03 23:35UT) Object RA Dec mag sep mel Fomalhaut 22:59:00.4 -29:29:27 1.2 42.35 154 Nunki 18:56:47.6 -26:15:50 2.0 15.88 111 57 Sgr 19:53:37.9 -18:58:49 5.8 1.01 125 PPM 236701 19:57:22.6 -18:48:29 8.5 0.17 125 15810 19:57:54.6 -18:55:34 13.8 126 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 15810, (2024/09/03 23:35UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 42.35 154 Nunki 18:55:15.9 -26:17:49 2.0 15.88 111 57 Sgr 19:52:12.0 -19:02:43 5.8 1.01 125 PPM 236701 19:55:56.9 -18:52:30 8.5 0.17 125 15810 19:56:28.8 -18:59:36 13.8 126 Positions are for J2000
Event circumstances last updated at 2023/09/03 03:05:34 UT
Marc W. Buie, Southwest Research Institute