Event between 13GW141 and star GA0680:05808356 with event index number of 1988505
Geocentric closest approach at 2024/03/09 07:06:56 UTC
J2000 position of star is 14:06:38.8 -20:28:01
Equinox of date position of star is 14:07:53.4 -20:34:22
Stellar brightness G=10.7,
use SENSEUP=4 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 117 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=22.1
TNO is 23.8 AU from the Sun
and 23.2 AU from the Earth.
The TNO is moving 14.5
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 174 seconds.
The 1-sigma cross-track error in the shadow position is
1616 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=140.0 km assuming a 5% albedo -- 9.6 sec chord
Diameter=57.1 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CENTAURS
Star training set for 13GW141, (2024/03/09 07:07UT) Object RA Dec mag sep mel Spica 13:26:28.3 -11:17:12 1.0 13.63 130 PPM 262433 14:05:14.4 -22:32:12 6.3 2.06 116 PPM 262526 14:09:15.2 -21:18:33 8.1 0.78 116 PPM 262496 14:08:05.8 -20:36:54 9.1 0.04 116 13GW141 14:07:59.6 -20:34:53 10.7 116 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 13GW141, (2024/03/09 07:07UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 13.63 130 PPM 262433 14:03:53.1 -22:25:17 6.3 2.06 116 PPM 262526 14:07:54.1 -21:11:43 8.1 0.78 116 PPM 262496 14:06:45.1 -20:30:02 9.1 0.04 116 13GW141 14:06:38.8 -20:28:01 10.7 117 Positions are for J2000
Event circumstances last updated at 2022/05/03 02:02:07 UT
Marc W. Buie, Southwest Research Institute