Event between (468861) 13LU28 and star GA1480:05029964 with event index number of 2655095
Geocentric closest approach at 2022/05/17 03:27:19 UTC
J2000 position of star is 11:06:05.5 +58:41:59
Equinox of date position of star is 11:07:25.5 +58:34:44
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 106 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=18.8
TNO is 9.7 AU from the Sun
and 9.8 AU from the Earth.
The TNO is moving 30.0
km/sec on the sky relative to the star, or,
15.2 arcsec/hr.
The 1-sigma error in the time of the event is 15 seconds.
The 1-sigma cross-track error in the shadow position is
479 km.
The TNO has an absolute magnitude Hv=8.4
Diameter=128.2 km assuming a 5% albedo -- 4.3 sec chord
Diameter=52.4 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 468861, (2022/05/17 03:27UT) Object RA Dec mag sep mel Pollux 07:46:40.9 +27:58:13 1.1 45.97 136 Merak 11:03:10.6 +56:15:43 2.4 2.39 105 42 UMa 10:52:47.1 +59:12:02 5.6 1.99 108 PPM 032914 11:03:38.4 +58:32:44 8.2 0.49 106 PPM 032934 11:06:25.2 +58:19:57 9.9 0.28 106 PPM 032958 11:08:56.6 +58:41:33 10.4 0.23 105 468861 11:07:25.6 +58:34:43 16.1 105 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 468861, (2022/05/17 03:27UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 45.97 136 Merak 11:01:50.7 +56:22:57 2.4 2.39 105 42 UMa 10:51:23.6 +59:19:11 5.6 1.99 108 PPM 032914 11:02:17.5 +58:39:59 8.2 0.49 106 PPM 032934 11:05:05.0 +58:27:13 9.9 0.28 106 PPM 032958 11:07:36.8 +58:48:50 10.4 0.23 105 468861 11:06:05.5 +58:41:59 16.1 106 Positions are for J2000
Event circumstances last updated at 2022/05/03 00:31:09 UT
Marc W. Buie, Southwest Research Institute