Event between (523697) 14GY53 and star GA0880:04440647 with event index number of 1099907
Geocentric closest approach at 2021/06/10 00:43:51 UTC
J2000 position of star is 15:15:30.2 -00:50:44
Equinox of date position of star is 15:16:35.3 -00:55:21
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 148 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=22.1
TNO is 32.5 AU from the Sun
and 31.6 AU from the Earth.
The TNO is moving 19.9
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 79 seconds.
The 1-sigma cross-track error in the shadow position is
1204 km.
The TNO has an absolute magnitude Hv=6.9
Diameter=254.7 km assuming a 5% albedo -- 12.8 sec chord
Diameter=104.0 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is 3:2E
Star training set for 523697, (2021/06/10 00:44UT) Object RA Dec mag sep mel Arcturus 14:16:38.4 +19:04:19 0.0 24.83 123 27Bet Lib 15:18:09.8 -09:27:39 2.6 8.55 153 4 Ser 15:16:54.7 +00:17:39 5.7 1.22 147 PPM 179531 15:18:46.7 -01:03:44 8.3 0.56 148 PPM 179520 15:16:13.8 -01:15:09 8.6 0.34 148 PPM 179525 15:17:07.2 -01:03:07 10.9 0.18 148 523697 15:16:36.5 -00:55:26 16.3 148 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 523697, (2021/06/10 00:44UT) Object RA Dec mag sep mel Arcturus 14:15:38.1 +19:10:15 0.0 24.83 123 27Bet Lib 15:17:00.3 -09:22:59 2.6 8.55 153 4 Ser 15:15:48.9 +00:22:20 5.7 1.22 147 PPM 179531 15:17:40.4 -00:59:06 8.3 0.56 148 PPM 179520 15:15:07.4 -01:10:27 8.6 0.34 148 PPM 179525 15:16:00.9 -00:58:26 10.9 0.18 148 523697 15:15:30.2 -00:50:44 16.3 148 Positions are for J2000
Event circumstances last updated at 2021/01/22 20:53:13 UT
Marc W. Buie, Southwest Research Institute