Event between (523642) 10SS43 and star GA1220:00137302 with event index number of 322381
Geocentric closest approach at 2018/11/03 15:28:57 UTC
J2000 position of star is 00:46:37.9 +33:23:24
Equinox of date position of star is 00:47:39.1 +33:29:33
Stellar brightness G=12.4,
use SENSEUP=16
Star is 135 degrees from the moon.
Moon is 19% illuminated.
TNO apparent brightness V=21.9
TNO is 39.2 AU from the Sun
and 38.3 AU from the Earth.
The TNO is moving 24.2
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 76 seconds.
The 1-sigma cross-track error in the shadow position is
1881 km.
The TNO has an absolute magnitude Hv=5.9
Diameter=398.1 km assuming a 5% albedo -- 16.4 sec chord
Diameter=162.5 km assuming a 30% albedo -- 6.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 523642, (2018/11/03 15:29UT) Object RA Dec mag sep mel Deneb 20:42:04.5 +45:20:54 1.3 47.69 115 57Gam1And 02:05:03.8 +42:25:09 2.3 17.62 119 PPM 065488 00:38:22.0 +35:30:12 6.4 2.78 134 PPM 065648 00:49:56.1 +33:01:37 8.0 0.67 135 PPM 065608 00:47:07.5 +33:38:23 10.0 0.18 135 523642 00:47:39.2 +33:29:34 12.4 135 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 523642, (2018/11/03 15:29UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 47.69 115 57Gam1And 02:03:54.0 +42:19:46 2.3 17.62 119 PPM 065488 00:37:21.2 +35:23:59 6.4 2.78 134 PPM 065648 00:48:54.6 +32:55:28 8.0 0.67 135 PPM 065608 00:46:06.2 +33:32:14 10.0 0.18 135 523642 00:46:37.9 +33:23:24 12.4 135 Positions are for J2000
Event circumstances last updated at 2018/10/23 20:42:25 UT
Marc W. Buie, Southwest Research Institute