Event between (517717) 15KZ120 and star GA1540:01924758 with event index number of 2627466
Geocentric closest approach at 2023/03/13 22:13:08 UTC
J2000 position of star is 02:14:42.0 +64:20:37
Equinox of date position of star is 02:16:27.4 +64:26:55
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 135 degrees from the moon.
Moon is 63% illuminated.
TNO apparent brightness V=21.1
TNO is 11.3 AU from the Sun
and 11.6 AU from the Earth.
The TNO is moving 33.4
km/sec on the sky relative to the star, or,
14.3 arcsec/hr.
The 1-sigma error in the time of the event is 46 seconds.
The 1-sigma cross-track error in the shadow position is
1377 km.
The TNO has an absolute magnitude Hv=10.1
Diameter=57.5 km assuming a 5% albedo -- 1.7 sec chord
Diameter=23.5 km assuming a 30% albedo -- 0.7 sec chord
Dynamical classification is CENTAURR
Star training set for 517717, (2023/03/13 22:13UT) Object RA Dec mag sep mel Deneb 20:42:13.4 +45:21:51 1.3 47.47 91 37Del Cas 01:27:21.2 +60:21:18 2.7 6.99 133 PPM 013589 02:22:01.4 +64:26:32 6.5 0.60 135 PPM 013537 02:16:59.9 +64:07:53 7.8 0.32 135 PPM 013525 02:15:37.5 +64:27:38 9.5 0.09 135 517717 02:16:29.4 +64:27:03 14.1 135 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 517717, (2023/03/13 22:13UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 47.47 91 37Del Cas 01:25:49.8 +60:14:06 2.7 6.99 133 PPM 013589 02:20:12.7 +64:20:13 6.5 0.60 135 PPM 013537 02:15:12.9 +64:01:28 7.8 0.32 135 PPM 013525 02:13:50.2 +64:21:12 9.5 0.09 135 517717 02:14:42.0 +64:20:37 14.1 135 Positions are for J2000
Event circumstances last updated at 2022/10/03 04:23:39 UT
Marc W. Buie, Southwest Research Institute