Event between 00KL4 and star GA0840:07503996 with event index number of 1062849
Geocentric closest approach at 2021/06/12 11:59:42 UTC
J2000 position of star is 18:13:56.5 -05:17:53
Equinox of date position of star is 18:15:04.6 -05:17:26
Stellar brightness G=14.0,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 156 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=23.4
TNO is 39.1 AU from the Sun
and 38.2 AU from the Earth.
The TNO is moving 24.0
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 304 seconds.
The 1-sigma cross-track error in the shadow position is
2071 km.
The TNO has an absolute magnitude Hv=7.5
Diameter=187.9 km assuming a 5% albedo -- 7.8 sec chord
Diameter=76.7 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 00KL4, (2021/06/12 12:00UT) Object RA Dec mag sep mel Antares 16:30:43.5 -26:28:40 0.9 32.69 145 60Bet Oph 17:44:32.0 +04:33:36 2.8 12.46 144 PPM 201570 18:18:00.6 -03:00:00 5.9 2.40 155 PPM 201534 18:15:38.6 -05:34:05 8.3 0.31 157 PPM 201537 18:15:46.8 -05:12:24 9.0 0.19 156 00KL4 18:15:05.1 -05:17:26 14.0 157 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 00KL4, (2021/06/12 12:00UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 32.69 145 60Bet Oph 17:43:28.3 +04:34:06 2.8 12.46 144 PPM 201570 18:16:53.1 -03:00:32 5.9 2.40 155 PPM 201534 18:14:29.9 -05:34:33 8.3 0.31 157 PPM 201537 18:14:38.2 -05:12:52 9.0 0.19 156 00KL4 18:13:56.5 -05:17:53 14.0 156 Positions are for J2000
Event circumstances last updated at 2021/04/17 22:52:06 UT
Marc W. Buie, Southwest Research Institute