Event between (511552) 14UE225 and star GA1040:00181743 with event index number of 317232
Geocentric closest approach at 2019/09/17 22:08:10 UTC
J2000 position of star is 01:53:44.1 +14:09:47
Equinox of date position of star is 01:54:47.0 +14:15:29
Stellar brightness G=12.9,
use SENSEUP=32
Star is 8 degrees from the moon.
Moon is 88% illuminated.
TNO apparent brightness V=22.8
TNO is 46.6 AU from the Sun
and 45.8 AU from the Earth.
The TNO is moving 19.7
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 138 seconds.
The 1-sigma cross-track error in the shadow position is
1791 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=363.1 km assuming a 5% albedo -- 18.4 sec chord
Diameter=148.2 km assuming a 30% albedo -- 7.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 511552, (2019/09/17 22:08UT) Object RA Dec mag sep mel Aldebaran 04:37:03.2 +16:32:50 0.8 39.11 34 6Bet Ari 01:55:44.0 +20:54:13 2.6 6.65 13 PPM 117850 02:00:29.4 +12:23:23 6.1 2.33 6 PPM 117774 01:55:51.0 +13:51:11 8.3 0.48 8 PPM 117748 01:53:54.9 +14:16:27 9.5 0.21 9 511552 01:54:47.9 +14:15:34 12.9 8 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 511552, (2019/09/17 22:08UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 39.11 34 6Bet Ari 01:54:38.5 +20:48:27 2.6 6.65 13 PPM 117850 01:59:25.9 +12:17:40 6.1 2.33 6 PPM 117774 01:54:47.2 +13:45:25 8.3 0.48 8 PPM 117748 01:52:51.1 +14:10:39 9.5 0.21 9 511552 01:53:44.1 +14:09:47 12.9 8 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:40:10 UT
Marc W. Buie, Southwest Research Institute