Event between (535992) 15BF519 and star GA0760:04449198 with event index number of 2257689
Geocentric closest approach at 2022/07/08 14:13:45 UTC
J2000 position of star is 11:02:50.0 -12:25:59
Equinox of date position of star is 11:03:56.7 -12:33:11
Stellar brightness G=15.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 47 degrees from the moon.
Moon is 66% illuminated.
TNO apparent brightness V=22.4
TNO is 27.0 AU from the Sun
and 27.4 AU from the Earth.
The TNO is moving 19.7
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 139 seconds.
The 1-sigma cross-track error in the shadow position is
1942 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=169.8 km assuming a 5% albedo -- 8.6 sec chord
Diameter=69.3 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CENTAURR
Star training set for 535992, (2022/07/08 14:14UT) Object RA Dec mag sep mel Regulus 10:09:34.1 +11:51:23 1.3 27.89 65 4Gam Crv 12:16:58.1 -17:40:01 2.6 18.34 29 PPM 223860 11:04:22.5 -11:25:32 5.3 1.13 46 PPM 223820 11:02:34.6 -12:52:07 8.1 0.46 47 PPM 223844 11:03:43.3 -12:30:15 9.0 0.08 47 535992 11:03:57.6 -12:33:17 15.2 46 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 535992, (2022/07/08 14:14UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 27.89 65 4Gam Crv 12:15:48.1 -17:32:30 2.6 18.34 29 PPM 223860 11:03:14.8 -11:18:15 5.3 1.13 46 PPM 223820 11:01:27.1 -12:44:50 8.1 0.46 47 PPM 223844 11:02:35.7 -12:22:57 9.0 0.08 47 535992 11:02:50.0 -12:25:59 15.2 46 Positions are for J2000
Event circumstances last updated at 2022/03/16 00:55:45 UT
Marc W. Buie, Southwest Research Institute