Event between (495297) 13TJ159 and star GA0920:00071631 with event index number of 246384
Geocentric closest approach at 2020/01/25 19:55:49 UTC
J2000 position of star is 00:47:25.4 +02:38:52
Equinox of date position of star is 00:48:25.3 +02:45:12
Stellar brightness G=13.0,
use SENSEUP=32
Star is 56 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.5
TNO is 37.8 AU from the Sun
and 38.2 AU from the Earth.
The TNO is moving 17.2
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 141 seconds.
The 1-sigma cross-track error in the shadow position is
2087 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=302.0 km assuming a 5% albedo -- 17.6 sec chord
Diameter=123.3 km assuming a 30% albedo -- 7.2 sec chord
Dynamical classification is 7:3EEEE
Star training set for 495297, (2020/01/25 19:56UT) Object RA Dec mag sep mel Fomalhaut 22:58:45.3 -29:30:56 1.2 41.60 25 Algenib 00:14:16.3 +15:17:42 2.8 15.10 55 PPM 143688 00:38:32.6 +03:14:43 6.4 2.52 54 PPM 143975 00:52:06.5 +02:51:07 7.8 0.92 57 PPM 143907 00:49:15.6 +02:50:19 9.1 0.22 56 PPM 143886 00:48:05.9 +02:50:53 11.2 0.13 56 495297 00:48:27.4 +02:45:25 13.0 56 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 495297, (2020/01/25 19:56UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 41.60 25 Algenib 00:13:14.2 +15:11:01 2.8 15.10 55 PPM 143688 00:37:30.6 +03:08:06 6.4 2.52 54 PPM 143975 00:51:04.4 +02:44:35 7.8 0.92 57 PPM 143907 00:48:13.6 +02:43:46 9.1 0.22 56 PPM 143886 00:47:03.9 +02:44:20 11.2 0.13 56 495297 00:47:25.4 +02:38:52 13.0 56 Positions are for J2000
Event circumstances last updated at 2019/05/23 22:44:31 UT
Marc W. Buie, Southwest Research Institute