Event between 01KD77 and star GA0680:32481497 with event index number of 282473
Geocentric closest approach at 2020/08/18 00:12:16 UTC
J2000 position of star is 18:50:43.5 -21:33:43
Equinox of date position of star is 18:51:55.9 -21:32:13
Stellar brightness G=16.7,
use SENSEUP=128
Star is 151 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=25.7
TNO is 36.6 AU from the Sun
and 35.9 AU from the Earth.
The TNO is moving 16.0
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 744 seconds.
The 1-sigma cross-track error in the shadow position is
1894 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=446.7 km assuming a 5% albedo -- 3.8 sec chord
Diameter=182.4 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is 3:2E
Star training set for 01KD77, (2020/08/18 00:12UT) Object RA Dec mag sep mel Antares 16:30:40.5 -26:28:34 0.9 32.54 119 Nunki 18:56:32.6 -26:16:09 2.0 4.85 152 30 Sgr 18:52:04.8 -22:08:12 6.3 0.60 151 PPM 268985 18:52:33.1 -21:59:33 8.5 0.48 151 PPM 268989 18:52:41.6 -21:41:33 9.9 0.23 151 01KD77 18:51:57.5 -21:32:11 16.7 151 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 01KD77, (2020/08/18 00:12UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 32.54 119 Nunki 18:55:15.9 -26:17:49 2.0 4.85 152 30 Sgr 18:50:50.5 -22:09:44 6.3 0.60 151 PPM 268985 18:51:18.8 -22:01:06 8.5 0.48 151 PPM 268989 18:51:27.5 -21:43:06 9.9 0.23 151 01KD77 18:50:43.5 -21:33:43 16.7 151 Positions are for J2000
Event circumstances last updated at 2020/03/06 22:08:10 UT
Marc W. Buie, Southwest Research Institute