Event between 13RR98 and star GA0480:00006337 with event index number of 275811
Geocentric closest approach at 2018/10/11 07:08:46 UTC
J2000 position of star is 00:05:07.9 -41:38:29
Equinox of date position of star is 00:06:05.1 -41:32:13
Stellar brightness G=16.9,
use SENSEUP=128
Star is 114 degrees from the moon.
Moon is 6% illuminated.
TNO apparent brightness V=23.4
TNO is 38.4 AU from the Sun
and 37.7 AU from the Earth.
The TNO is moving 21.9
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 774 seconds.
The 1-sigma cross-track error in the shadow position is
5244 km.
The TNO has an absolute magnitude Hv=7.5
Diameter=188.8 km assuming a 5% albedo -- 8.6 sec chord
Diameter=77.1 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 13RR98, (2018/10/11 07:09UT) Object RA Dec mag sep mel Fomalhaut 22:58:41.1 -29:31:21 1.2 18.17 109 Bet Gru 22:43:46.8 -46:47:09 2.1 15.61 99 PPM 329774 23:55:37.4 -40:11:44 6.0 2.39 113 PPM 304544 00:06:49.9 -41:38:57 7.7 0.18 114 13RR98 00:06:05.1 -41:32:13 16.9 114 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 13RR98, (2018/10/11 07:09UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 18.17 109 Bet Gru 22:42:40.3 -46:53:05 2.1 15.61 99 PPM 329774 23:54:39.2 -40:18:00 6.0 2.39 113 PPM 304544 00:05:52.7 -41:45:13 7.7 0.18 114 13RR98 00:05:07.9 -41:38:29 16.9 114 Positions are for J2000
Event circumstances last updated at 2018/10/07 16:13:46 UT
Marc W. Buie, Southwest Research Institute