Event between 15AJ281 and star GA0660:05387411 with event index number of 2644153
Geocentric closest approach at 2022/06/01 22:22:59 UTC
J2000 position of star is 11:02:29.6 -22:45:32
Equinox of date position of star is 11:03:35.1 -22:52:45
Stellar brightness G=13.3,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 81 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=21.3
TNO is 42.2 AU from the Sun
and 42.0 AU from the Earth.
The TNO is moving 13.4
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 127 seconds.
The 1-sigma cross-track error in the shadow position is
2312 km.
The TNO has an absolute magnitude Hv=4.9
Diameter=633.9 km assuming a 5% albedo -- 47.9 sec chord
Diameter=258.8 km assuming a 30% albedo -- 19.5 sec chord
Dynamical classification is SCATEXTD
Star training set for 15AJ281, (2022/06/01 22:24UT) Object RA Dec mag sep mel Spica 13:26:22.6 -11:16:39 1.0 35.92 106 4Gam Crv 12:16:57.7 -17:39:59 2.6 17.96 93 11Bet Crt 11:12:45.8 -22:56:55 4.5 2.11 83 PPM 258507 11:05:43.5 -22:54:14 8.2 0.49 82 PPM 258461 11:04:00.9 -23:01:43 9.7 0.18 81 15AJ281 11:03:35.4 -22:52:48 13.3 81 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 15AJ281, (2022/06/01 22:24UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 35.92 106 4Gam Crv 12:15:48.1 -17:32:30 2.6 17.96 93 11Bet Crt 11:11:39.5 -22:49:35 4.5 2.11 83 PPM 258507 11:04:37.6 -22:46:58 8.2 0.49 82 PPM 258461 11:02:55.1 -22:54:27 9.7 0.18 81 15AJ281 11:02:29.6 -22:45:32 13.3 81 Positions are for J2000
Event circumstances last updated at 2022/04/18 23:13:19 UT
Marc W. Buie, Southwest Research Institute