Event between (363401) 03LB7 and star GA0660:09381010 with event index number of 1143495
Geocentric closest approach at 2021/10/02 18:43:15 UTC
J2000 position of star is 17:05:22.3 -23:57:38
Equinox of date position of star is 17:06:41.5 -23:59:19
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 115 degrees from the moon.
Moon is 16% illuminated.
TNO apparent brightness V=23.1
TNO is 41.5 AU from the Sun
and 41.9 AU from the Earth.
The TNO is moving 16.4
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 371 seconds.
The 1-sigma cross-track error in the shadow position is
2071 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 16.8 sec chord
Diameter=112.4 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 363401, (2021/10/02 18:43UT) Object RA Dec mag sep mel Antares 16:30:44.7 -26:28:42 0.9 8.50 108 23Tau Sco 16:37:14.4 -28:15:33 2.8 7.87 110 26 Oph 17:01:29.6 -25:01:13 5.8 1.57 114 PPM 266382 17:06:41.6 -23:44:37 8.5 0.25 115 PPM 266401 17:07:29.7 -24:01:26 9.0 0.19 115 363401 17:06:41.8 -23:59:19 16.5 116 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 363401, (2021/10/02 18:43UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.50 108 23Tau Sco 16:35:52.9 -28:12:58 2.8 7.87 110 26 Oph 17:00:09.6 -24:59:22 5.8 1.57 114 PPM 266382 17:05:22.3 -23:42:56 8.5 0.25 115 PPM 266401 17:06:10.2 -23:59:46 9.0 0.19 115 363401 17:05:22.3 -23:57:38 16.5 115 Positions are for J2000
Event circumstances last updated at 2021/08/29 01:39:59 UT
Marc W. Buie, Southwest Research Institute