Event between 06HW122 and star GA0680:06874752 with event index number of 260348
Geocentric closest approach at 2020/05/23 02:53:50 UTC
J2000 position of star is 16:16:44.0 -21:51:44
Equinox of date position of star is 16:17:55.9 -21:54:39
Stellar brightness G=16.8,
use SENSEUP=128
Star is 177 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=26.5
TNO is 44.6 AU from the Sun
and 43.6 AU from the Earth.
The TNO is moving 24.8
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 686 seconds.
The 1-sigma cross-track error in the shadow position is
3924 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=320.6 km assuming a 5% albedo -- 2.4 sec chord
Diameter=130.9 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 06HW122, (2020/05/23 02:54UT) Object RA Dec mag sep mel Antares 16:30:39.7 -26:28:32 0.9 5.41 173 8Bet1Sco 16:06:37.6 -19:51:35 2.6 3.35 176 PPM 265395 16:20:19.6 -20:15:59 6.3 1.74 179 PPM 265367 16:18:59.7 -21:56:57 8.5 0.25 177 PPM 265318 16:16:55.2 -21:50:48 10.0 0.25 177 06HW122 16:17:56.6 -21:54:41 16.8 177 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 06HW122, (2020/05/23 02:54UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 5.41 173 8Bet1Sco 16:05:26.2 -19:48:20 2.6 3.35 176 PPM 265395 16:19:07.8 -20:13:06 6.3 1.74 179 PPM 265367 16:17:47.0 -21:54:02 8.5 0.25 177 PPM 265318 16:15:42.7 -21:47:49 10.0 0.25 177 06HW122 16:16:44.0 -21:51:44 16.8 177 Positions are for J2000
Event circumstances last updated at 2020/03/09 21:03:54 UT
Marc W. Buie, Southwest Research Institute