Event between 15BU518 and star GA0780:04583004 with event index number of 193599
Geocentric closest approach at 2019/01/12 22:42:30 UTC
J2000 position of star is 14:35:57.4 -10:33:53
Equinox of date position of star is 14:36:58.6 -10:38:47
Stellar brightness G=15.7,
use SENSEUP=128
Star is 147 degrees from the moon.
Moon is 37% illuminated.
TNO apparent brightness V=22.6
TNO is 32.4 AU from the Sun
and 32.6 AU from the Earth.
The TNO is moving 15.1
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 178 seconds.
The 1-sigma cross-track error in the shadow position is
1960 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=210.9 km assuming a 5% albedo -- 14.0 sec chord
Diameter=86.1 km assuming a 30% albedo -- 5.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 15BU518, (2019/01/12 22:42UT) Object RA Dec mag sep mel Spica 13:26:11.9 -11:15:36 1.0 17.38 162 27Bet Lib 15:18:02.0 -09:27:07 2.6 10.18 138 PPM 229046 14:38:00.7 -12:23:07 6.2 1.76 147 PPM 229085 14:40:02.0 -10:38:10 6.8 0.75 147 PPM 228995 14:35:47.9 -10:22:51 9.7 0.39 148 15BU518 14:36:58.9 -10:38:49 15.7 147 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 15BU518, (2019/01/12 22:42UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 17.38 162 27Bet Lib 15:17:00.3 -09:22:59 2.6 10.18 138 PPM 229046 14:36:58.7 -12:18:13 6.2 1.76 147 PPM 229085 14:39:00.4 -10:33:17 6.8 0.75 147 PPM 228995 14:34:46.5 -10:17:53 9.7 0.39 148 15BU518 14:35:57.4 -10:33:53 15.7 147 Positions are for J2000
Event circumstances last updated at 2018/12/04 05:08:37 UT
Marc W. Buie, Southwest Research Institute