Event between 15BL518 and star GA0680:05568730 with event index number of 2639047
Geocentric closest approach at 2022/06/18 11:24:08 UTC
J2000 position of star is 12:57:14.8 -21:53:17
Equinox of date position of star is 12:58:26.1 -22:00:28
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 119 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=22.3
TNO is 33.9 AU from the Sun
and 33.5 AU from the Earth.
The TNO is moving 9.1
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 255 seconds.
The 1-sigma cross-track error in the shadow position is
2482 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=260.6 km assuming a 5% albedo -- 29.3 sec chord
Diameter=106.4 km assuming a 30% albedo -- 12.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 15BL518, (2022/06/18 11:34UT) Object RA Dec mag sep mel Spica 13:26:22.8 -11:16:40 1.0 12.64 119 9Bet Crv 12:35:34.3 -23:31:14 2.6 5.49 122 PPM 261041 12:58:45.3 -22:52:29 6.0 0.87 118 PPM 261033 12:58:22.5 -22:17:35 7.8 0.28 119 PPM 261049 12:59:15.7 -21:48:54 9.3 0.27 119 15BL518 12:58:26.9 -22:00:33 16.0 118 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 15BL518, (2022/06/18 11:34UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 12.64 119 9Bet Crv 12:34:23.2 -23:23:50 2.6 5.49 122 PPM 261041 12:57:33.0 -22:45:13 6.0 0.87 118 PPM 261033 12:57:10.4 -22:10:19 7.8 0.28 119 PPM 261049 12:58:03.6 -21:41:39 9.3 0.27 119 15BL518 12:57:14.8 -21:53:17 16.0 119 Positions are for J2000
Event circumstances last updated at 2022/03/12 01:43:41 UT
Marc W. Buie, Southwest Research Institute