Event between 04US10 and star GA1080:00255970 with event index number of 215065
Geocentric closest approach at 2019/10/23 21:14:19 UTC
J2000 position of star is 02:28:18.0 +19:42:54
Equinox of date position of star is 02:29:23.4 +19:48:04
Stellar brightness G=15.3,
use SENSEUP=128
Star is 110 degrees from the moon.
Moon is 24% illuminated.
TNO apparent brightness V=24.0
TNO is 31.2 AU from the Sun
and 30.2 AU from the Earth.
The TNO is moving 23.7
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 230 seconds.
The 1-sigma cross-track error in the shadow position is
3732 km.
The TNO has an absolute magnitude Hv=9.1
Diameter=89.1 km assuming a 5% albedo -- 3.8 sec chord
Diameter=36.4 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is 3:2E
Star training set for 04US10, (2019/10/23 21:14UT) Object RA Dec mag sep mel Aldebaran 04:37:03.6 +16:32:51 0.8 30.45 82 Hamal 02:08:17.7 +23:33:19 2.0 6.18 112 26 Ari 02:31:45.3 +19:56:32 6.1 0.57 109 PPM 118250 02:29:11.5 +20:05:01 9.8 0.29 109 04US10 02:29:24.6 +19:48:10 15.3 109 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 04US10, (2019/10/23 21:14UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 30.45 82 Hamal 02:07:10.7 +23:27:42 2.0 6.18 112 26 Ari 02:30:38.5 +19:51:19 6.1 0.57 109 PPM 118250 02:28:04.8 +19:59:44 9.8 0.29 109 04US10 02:28:18.0 +19:42:54 15.3 109 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:48:20 UT
Marc W. Buie, Southwest Research Institute