Event between (469615) 04PT107 and star GA0860:16827941 with event index number of 147656
Geocentric closest approach at 2018/09/05 18:27:57 UTC
J2000 position of star is 22:16:52.7 -03:06:35
Equinox of date position of star is 22:17:50.0 -03:01:02
Stellar brightness G=12.1,
use SENSEUP=16
Star is 133 degrees from the moon.
Moon is 21% illuminated.
TNO apparent brightness V=21.6
TNO is 38.2 AU from the Sun
and 37.2 AU from the Earth.
The TNO is moving 24.8
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 102 seconds.
The 1-sigma cross-track error in the shadow position is
2611 km.
The TNO has an absolute magnitude Hv=5.8
Diameter=416.9 km assuming a 5% albedo -- 16.8 sec chord
Diameter=170.2 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 469615, (2018/09/05 18:28UT) Object RA Dec mag sep mel Fomalhaut 22:58:40.7 -29:31:22 1.2 28.22 130 Markab 23:05:41.6 +15:18:22 2.5 21.81 114 PPM 206055 22:11:32.1 -04:10:28 6.0 1.95 135 PPM 206113 22:14:40.4 -03:40:58 8.4 1.04 134 PPM 206184 22:18:12.7 -02:54:48 8.9 0.14 133 469615 22:17:50.7 -03:00:58 12.1 133 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 469615, (2018/09/05 18:28UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 28.22 130 Markab 23:04:45.7 +15:12:18 2.5 21.81 114 PPM 206055 22:10:33.9 -04:16:01 6.0 1.95 135 PPM 206113 22:13:42.3 -03:46:34 8.4 1.04 134 PPM 206184 22:17:14.7 -03:00:26 8.9 0.14 133 469615 22:16:52.7 -03:06:35 12.1 133 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:24:03 UT
Marc W. Buie, Southwest Research Institute