Event between (511130) 13WV107 and star GA0860:03679993 with event index number of 1031314
Geocentric closest approach at 2021/01/17 02:47:11 UTC
J2000 position of star is 09:06:13.4 -02:39:49
Equinox of date position of star is 09:07:16.8 -02:44:54
Stellar brightness G=14.6,
use SENSEUP=128
Star is 146 degrees from the moon.
Moon is 17% illuminated.
TNO apparent brightness V=20.4
TNO is 10.7 AU from the Sun
and 9.9 AU from the Earth.
The TNO is moving 19.3
km/sec on the sky relative to the star, or,
9.7 arcsec/hr.
The 1-sigma error in the time of the event is 77 seconds.
The 1-sigma cross-track error in the shadow position is
1051 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=61.4 km assuming a 5% albedo -- 3.2 sec chord
Diameter=25.1 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
Star training set for 511130, (2021/01/17 02:47UT) Object RA Dec mag sep mel Regulus 10:09:29.4 +11:51:49 1.3 21.27 164 Alphard 09:28:37.3 -08:45:03 2.0 8.01 147 PPM 191823 08:55:20.1 -05:30:55 6.4 4.07 142 PPM 177740 09:07:33.7 -02:41:05 7.6 0.09 146 511130 09:07:17.2 -02:44:56 14.6 146 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 511130, (2021/01/17 02:47UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 21.27 164 Alphard 09:27:35.2 -08:39:30 2.0 8.01 147 PPM 191823 08:54:17.4 -05:26:04 6.4 4.07 142 PPM 177740 09:06:29.9 -02:35:58 7.6 0.09 146 511130 09:06:13.4 -02:39:49 14.6 146 Positions are for J2000
Event circumstances last updated at 2020/12/04 02:06:53 UT
Marc W. Buie, Southwest Research Institute