Event between (523784) 15BJ518 and star GA0700:05334962 with event index number of 2607639
Geocentric closest approach at 2027/12/31 15:03:14 UTC
J2000 position of star is 13:59:50.8 -18:11:39
Equinox of date position of star is 14:01:11.5 -18:18:43
Stellar brightness G=17.0,
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 13% illuminated.
Apparent brightness V=21.2
Object is 18.6 AU from the Sun
and 19.0 AU from the Earth.
Apparent velocity is 20.1
km/sec on the sky relative to the star, or,
5.3 arcsec/hr.
The 1-sigma error in the time of the event is 77 seconds.
The 1-sigma cross-track error in the shadow position is
1101 km.
The object has an absolute magnitude Hv=8.2
Diameter=133.0 km assuming a 5% albedo -- 6.8 sec chord
Diameter=54.3 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is CENTAURR
Star training set for 523784, (2027/12/31 15:06UT) Object RA Dec mag sep mel Spica 13:26:40.4 -11:18:23 1.0 10.94 117 PPM 228205 14:04:35.9 -17:30:03 6.3 1.13 107 PPM 228112 14:00:36.2 -18:45:28 7.2 0.47 107 PPM 228110 14:00:33.5 -18:14:37 9.2 0.21 107 523784 14:01:23.1 -18:19:44 17.0 107 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 523784, (2027/12/31 15:06UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 10.94 117 PPM 228205 14:03:03.8 -17:22:02 6.3 1.13 107 PPM 228112 13:59:03.8 -18:37:22 7.2 0.47 107 PPM 228110 13:59:01.3 -18:06:31 9.2 0.21 107 523784 13:59:50.8 -18:11:39 17.0 107 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:27:46 UT
Marc W. Buie, Southwest Research Institute