Event between (523768) 14WQ510 and star GA1020:03380048 with event index number of 347891
Geocentric closest approach at 2019/05/19 12:44:25 UTC
J2000 position of star is 10:06:29.2 +13:37:47
Equinox of date position of star is 10:07:30.9 +13:32:09
Stellar brightness G=15.0,
use SENSEUP=128
Star is 97 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.3
TNO is 45.1 AU from the Sun
and 45.1 AU from the Earth.
The TNO is moving 3.9
km/sec on the sky relative to the star, or,
0.4 arcsec/hr.
The 1-sigma error in the time of the event is 577 seconds.
The 1-sigma cross-track error in the shadow position is
2336 km.
The TNO has an absolute magnitude Hv=5.6
Diameter=457.1 km assuming a 5% albedo -- 116.1 sec chord
Diameter=186.6 km assuming a 30% albedo -- 47.4 sec chord
Dynamical classification is 3:2E
Star training set for 523768, (2019/05/19 12:44UT) Object RA Dec mag sep mel Regulus 10:09:24.1 +11:52:18 1.3 1.72 97 PPM 127101 10:06:43.9 +15:39:45 6.2 2.14 98 PPM 127081 10:05:29.0 +13:30:01 8.5 0.50 98 PPM 127122 10:08:26.1 +13:49:55 10.0 0.37 97 PPM 127106 10:07:30.6 +13:24:17 10.6 0.13 97 523768 10:07:31.7 +13:32:05 15.0 97 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 523768, (2019/05/19 12:44UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 1.72 97 PPM 127101 10:05:40.8 +15:45:26 6.2 2.14 98 PPM 127081 10:04:26.4 +13:35:42 8.5 0.50 98 PPM 127122 10:07:23.5 +13:55:38 10.0 0.37 97 PPM 127106 10:06:28.1 +13:29:59 10.6 0.13 97 523768 10:06:29.2 +13:37:47 15.0 97 Positions are for J2000
Event circumstances last updated at 2019/02/12 07:57:41 UT
Marc W. Buie, Southwest Research Institute