Event between (281371) 08FC76 and star GA1040:00891803 with event index number of 318415
Geocentric closest approach at 2018/12/06 17:56:43 UTC
J2000 position of star is 05:27:36.0 +14:33:28
Equinox of date position of star is 05:28:40.3 +14:34:20
Stellar brightness G=17.0,
use SENSEUP=128
Star is 165 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=19.8
TNO is 11.3 AU from the Sun
and 10.4 AU from the Earth.
The TNO is moving 21.9
km/sec on the sky relative to the star, or,
10.5 arcsec/hr.
The 1-sigma error in the time of the event is 43 seconds.
The 1-sigma cross-track error in the shadow position is
587 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=83.2 km assuming a 5% albedo -- 3.8 sec chord
Diameter=34.0 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 281371, (2018/12/06 17:57UT) Object RA Dec mag sep mel Betelgeuse 05:56:11.8 +07:24:33 0.4 9.84 156 Bellatrix 05:26:08.8 +06:21:55 1.6 8.23 162 PPM 120962 05:28:18.9 +15:16:21 6.1 0.71 166 PPM 120966 05:28:26.2 +14:02:38 8.0 0.53 165 PPM 120952 05:27:26.5 +14:24:56 9.6 0.34 166 281371 05:28:40.7 +14:34:20 17.0 165 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 281371, (2018/12/06 17:57UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 9.84 156 Bellatrix 05:25:07.8 +06:20:58 1.6 8.23 162 PPM 120962 05:27:13.9 +15:15:27 6.1 0.71 166 PPM 120966 05:27:21.7 +14:01:45 8.0 0.53 165 PPM 120952 05:26:21.8 +14:24:01 9.6 0.34 166 281371 05:27:36.0 +14:33:28 17.0 165 Positions are for J2000
Event circumstances last updated at 2018/10/23 20:45:08 UT
Marc W. Buie, Southwest Research Institute