Event between (501546) 14JJ80 and star GA0960:17127985 with event index number of 2383393
Geocentric closest approach at 2022/10/24 00:44:38 UTC
J2000 position of star is 21:52:53.0 +06:32:04
Equinox of date position of star is 21:54:01.1 +06:38:32
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 135 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=20.9
TNO is 31.9 AU from the Sun
and 31.4 AU from the Earth.
The TNO is moving 12.3
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 97 seconds.
The 1-sigma cross-track error in the shadow position is
1205 km.
The TNO has an absolute magnitude Hv=5.7
Diameter=424.6 km assuming a 5% albedo -- 35.2 sec chord
Diameter=173.4 km assuming a 30% albedo -- 14.4 sec chord
Dynamical classification is CENTAURR
Star training set for 501546, (2022/10/24 00:46UT) Object RA Dec mag sep mel Markab 23:05:53.9 +15:19:42 2.5 19.64 151 18 Peg 22:01:16.3 +06:49:40 5.8 1.81 137 PPM 172400 21:55:06.1 +06:58:24 6.8 0.43 136 PPM 172374 21:53:36.8 +06:36:12 9.2 0.11 135 501546 21:54:01.3 +06:38:33 15.8 136 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 501546, (2022/10/24 00:46UT) Object RA Dec mag sep mel Markab 23:04:45.8 +15:12:18 2.5 19.64 151 18 Peg 22:00:07.9 +06:43:03 5.8 1.81 137 PPM 172400 21:53:57.9 +06:51:54 6.8 0.43 136 PPM 172374 21:52:28.5 +06:29:44 9.2 0.11 135 501546 21:52:53.0 +06:32:04 15.8 135 Positions are for J2000
Event circumstances last updated at 2022/10/10 04:15:33 UT
Marc W. Buie, Southwest Research Institute