Event between (456826) 07TH422 and star GA1040:00853020 with event index number of 174424
Geocentric closest approach at 2019/02/04 11:00:11 UTC
J2000 position of star is 05:23:51.3 +15:45:04
Equinox of date position of star is 05:24:57.0 +15:46:03
Stellar brightness G=16.0,
use SENSEUP=128
Star is 130 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=22.5
TNO is 29.4 AU from the Sun
and 28.8 AU from the Earth.
The TNO is moving 14.0
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 417 seconds.
The 1-sigma cross-track error in the shadow position is
4673 km.
The TNO has an absolute magnitude Hv=7.7
Diameter=173.8 km assuming a 5% albedo -- 12.5 sec chord
Diameter=70.9 km assuming a 30% albedo -- 5.1 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 456826, (2019/02/04 11:00UT) Object RA Dec mag sep mel Betelgeuse 05:56:12.4 +07:24:33 0.4 11.33 135 Bellatrix 05:26:09.4 +06:21:56 1.6 9.41 128 116 Tau 05:28:51.5 +15:53:19 5.5 0.95 131 PPM 120924 05:25:40.7 +15:59:29 8.2 0.28 130 456826 05:24:57.1 +15:46:03 16.0 130 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 456826, (2019/02/04 11:00UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 11.33 135 Bellatrix 05:25:07.8 +06:20:58 1.6 9.41 128 116 Tau 05:27:45.6 +15:52:27 5.5 0.95 131 PPM 120924 05:24:34.7 +15:58:31 8.2 0.28 130 456826 05:23:51.3 +15:45:04 16.0 130 Positions are for J2000
Event circumstances last updated at 2019/01/31 18:01:25 UT
Marc W. Buie, Southwest Research Institute