Event between 10WG9 and star GA1080:01448337 with event index number of 180675
Geocentric closest approach at 2019/02/28 15:19:03 UTC
J2000 position of star is 05:52:58.0 +19:16:37
Equinox of date position of star is 05:54:03.4 +19:16:47
Stellar brightness G=16.2,
use SENSEUP=128
Star is 174 degrees from the moon.
Moon is 29% illuminated.
TNO apparent brightness V=22.1
TNO is 23.8 AU from the Sun
and 23.5 AU from the Earth.
The TNO is moving 11.5
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 799 seconds.
The 1-sigma cross-track error in the shadow position is
5795 km.
The TNO has an absolute magnitude Hv=8.1
Diameter=146.6 km assuming a 5% albedo -- 12.8 sec chord
Diameter=59.8 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is CENTAURR
Star training set for 10WG9, (2019/02/28 15:19UT) Object RA Dec mag sep mel Betelgeuse 05:56:12.6 +07:24:33 0.4 11.88 165 Alhena 06:38:49.1 +16:22:53 1.9 11.03 173 PPM 121513 05:53:31.6 +19:52:16 6.4 0.61 174 PPM 121512 05:53:30.6 +19:09:11 8.5 0.19 173 10WG9 05:54:05.9 +19:16:48 16.2 174 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 10WG9, (2019/02/28 15:19UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 11.88 165 Alhena 06:37:42.8 +16:23:57 1.9 11.03 173 PPM 121513 05:52:23.4 +19:52:04 6.4 0.61 174 PPM 121512 05:52:22.8 +19:08:59 8.5 0.19 173 10WG9 05:52:58.0 +19:16:37 16.2 174 Positions are for J2000
Event circumstances last updated at 2018/06/11 22:43:14 UT
Marc W. Buie, Southwest Research Institute