Event between (523750) 14US224 and star GA1160:00348222 with event index number of 355862
Geocentric closest approach at 2019/12/25 23:37:43 UTC
J2000 position of star is 02:38:42.2 +27:14:30
Equinox of date position of star is 02:39:50.5 +27:19:29
Stellar brightness G=14.7,
use SENSEUP=128
Star is 134 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=21.7
TNO is 46.0 AU from the Sun
and 45.3 AU from the Earth.
The TNO is moving 16.5
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 274 seconds.
The 1-sigma cross-track error in the shadow position is
3599 km.
The TNO has an absolute magnitude Hv=5.0
Diameter=602.6 km assuming a 5% albedo -- 36.6 sec chord
Diameter=246.0 km assuming a 30% albedo -- 14.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 523750, (2019/12/25 23:38UT) Object RA Dec mag sep mel Aldebaran 04:37:04.2 +16:32:52 0.8 29.14 158 Hamal 02:08:18.3 +23:33:22 2.0 8.06 126 35 Ari 02:44:37.8 +27:47:28 4.7 1.15 135 PPM 091909 02:42:51.0 +27:01:32 8.3 0.73 134 PPM 091857 02:39:40.4 +27:36:01 9.6 0.28 133 523750 02:39:52.5 +27:19:38 14.7 134 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 523750, (2019/12/25 23:38UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 29.14 158 Hamal 02:07:10.7 +23:27:42 2.0 8.06 126 35 Ari 02:43:27.1 +27:42:25 4.7 1.15 135 PPM 091909 02:41:40.7 +26:56:28 8.3 0.73 134 PPM 091857 02:38:30.0 +27:30:54 9.6 0.28 133 523750 02:38:42.2 +27:14:30 14.7 133 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:04:01 UT
Marc W. Buie, Southwest Research Institute