Event between (574398) 10LO33 and star GA0840:18613407 with event index number of 2518801
Geocentric closest approach at 2022/08/03 12:15:49 UTC
J2000 position of star is 19:53:16.4 -04:06:17
Equinox of date position of star is 19:54:25.2 -04:02:49
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 101 degrees from the moon.
Moon is 30% illuminated.
TNO apparent brightness V=20.6
TNO is 15.9 AU from the Sun
and 15.0 AU from the Earth.
The TNO is moving 20.4
km/sec on the sky relative to the star, or,
6.7 arcsec/hr.
The 1-sigma error in the time of the event is 128 seconds.
The 1-sigma cross-track error in the shadow position is
1225 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=116.4 km assuming a 5% albedo -- 5.7 sec chord
Diameter=47.5 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
Star training set for 574398, (2022/08/03 12:16UT) Object RA Dec mag sep mel Tarazed 19:47:20.0 +10:40:11 2.7 14.82 100 PPM 203401 19:54:29.7 -03:03:16 5.6 0.99 101 PPM 203402 19:54:30.8 -04:30:47 8.4 0.47 101 PPM 203412 19:54:55.4 -03:41:09 9.1 0.38 101 574398 19:54:27.8 -04:02:42 16.6 101 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 574398, (2022/08/03 12:16UT) Object RA Dec mag sep mel Tarazed 19:46:15.6 +10:36:48 2.7 14.82 100 PPM 203401 19:53:18.8 -03:06:52 5.6 0.99 101 PPM 203402 19:53:19.2 -04:34:23 8.4 0.47 101 PPM 203412 19:53:44.2 -03:44:46 9.1 0.38 101 574398 19:53:16.4 -04:06:17 16.6 101 Positions are for J2000
Event circumstances last updated at 2021/10/13 01:38:58 UT
Marc W. Buie, Southwest Research Institute