Event between 13FR28 and star GA0800:04412750 with event index number of 1052625
Geocentric closest approach at 2019/04/27 02:13:30 UTC
J2000 position of star is 13:43:22.8 -09:53:46
Equinox of date position of star is 13:44:23.8 -09:59:32
Stellar brightness G=15.1,
use SENSEUP=128
Star is 101 degrees from the moon.
Moon is 49% illuminated.
TNO apparent brightness V=22.6
TNO is 34.3 AU from the Sun
and 33.3 AU from the Earth.
The TNO is moving 23.7
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 125 seconds.
The 1-sigma cross-track error in the shadow position is
2097 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=208.0 km assuming a 5% albedo -- 8.7 sec chord
Diameter=84.9 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is 7:4EEE
Star training set for 13FR28, (2019/04/27 02:14UT) Object RA Dec mag sep mel Spica 13:26:12.8 -11:15:42 1.0 4.65 104 PPM 196876 13:48:14.8 -09:48:20 6.2 0.97 100 PPM 227678 13:42:24.2 -10:32:59 7.9 0.74 101 PPM 196816 13:44:51.2 -09:57:36 9.5 0.12 101 13FR28 13:44:24.2 -09:59:35 15.1 101 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 13FR28, (2019/04/27 02:14UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 4.65 104 PPM 196876 13:47:13.4 -09:42:35 6.2 0.97 100 PPM 227678 13:41:22.7 -10:27:09 7.9 0.74 101 PPM 196816 13:43:49.8 -09:51:48 9.5 0.12 101 13FR28 13:43:22.8 -09:53:46 15.1 101 Positions are for J2000
Event circumstances last updated at 2019/03/13 21:52:57 UT
Marc W. Buie, Southwest Research Institute