Event between (309139) 06XQ51 and star GA0700:04358542 with event index number of 339065
Geocentric closest approach at 2020/01/21 01:53:57 UTC
J2000 position of star is 09:04:09.5 -18:01:52
Equinox of date position of star is 09:05:04.4 -18:06:38
Stellar brightness G=16.3,
use SENSEUP=128
Star is 108 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=22.6
TNO is 18.5 AU from the Sun
and 17.8 AU from the Earth.
The TNO is moving 22.7
km/sec on the sky relative to the star, or,
6.3 arcsec/hr.
The 1-sigma error in the time of the event is 661 seconds.
The 1-sigma cross-track error in the shadow position is
5390 km.
The TNO has an absolute magnitude Hv=9.8
Diameter=66.1 km assuming a 5% albedo -- 2.9 sec chord
Diameter=27.0 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 309139, (2020/01/21 01:54UT) Object RA Dec mag sep mel Adhara 06:59:24.9 -29:00:02 1.5 30.67 122 Alphard 09:28:34.4 -08:44:47 2.0 10.97 107 PPM 221125 09:09:59.8 -18:24:39 5.9 1.20 107 PPM 221074 09:07:50.4 -18:16:59 6.9 0.68 107 PPM 221006 09:05:06.0 -17:56:03 9.1 0.18 108 309139 09:05:05.1 -18:06:42 16.3 108 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 309139, (2020/01/21 01:54UT) Object RA Dec mag sep mel Adhara 06:58:37.6 -28:58:19 1.5 30.67 122 Alphard 09:27:35.2 -08:39:30 2.0 10.97 107 PPM 221125 09:09:04.1 -18:19:43 5.9 1.20 107 PPM 221074 09:06:54.7 -18:12:06 6.9 0.68 107 PPM 221006 09:04:10.3 -17:51:13 9.1 0.18 108 309139 09:04:09.5 -18:01:52 16.3 108 Positions are for J2000
Event circumstances last updated at 2019/10/15 22:06:18 UT
Marc W. Buie, Southwest Research Institute