Event between (523680) 13YJ151 and star GA1080:03049242 with event index number of 2624701
Geocentric closest approach at 2023/03/17 14:24:28 UTC
J2000 position of star is 08:15:25.5 +19:57:24
Equinox of date position of star is 08:16:42.7 +19:53:15
Stellar brightness G=15.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 175 degrees from the moon.
Moon is 23% illuminated.
TNO apparent brightness V=22.1
TNO is 43.7 AU from the Sun
and 43.1 AU from the Earth.
The TNO is moving 13.6
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 134 seconds.
The 1-sigma cross-track error in the shadow position is
1836 km.
The TNO has an absolute magnitude Hv=5.6
Diameter=448.8 km assuming a 5% albedo -- 33.0 sec chord
Diameter=183.2 km assuming a 30% albedo -- 13.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 523680, (2023/03/17 14:23UT) Object RA Dec mag sep mel Pollux 07:46:44.0 +27:58:06 1.1 10.60 173 10Mu 2Cnc 08:09:07.6 +21:30:46 5.3 2.42 176 PPM 125094 08:19:10.5 +19:45:43 8.4 0.58 175 PPM 098514 08:16:45.5 +20:09:44 9.0 0.28 175 PPM 125062 08:17:51.9 +19:48:24 11.3 0.27 175 523680 08:16:46.2 +19:53:04 15.0 175 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 523680, (2023/03/17 14:23UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 10.60 173 10Mu 2Cnc 08:07:45.9 +21:34:53 5.3 2.42 176 PPM 125094 08:17:49.9 +19:50:08 8.4 0.58 175 PPM 098514 08:15:24.7 +20:14:04 9.0 0.28 175 PPM 125062 08:16:31.3 +19:52:46 11.3 0.27 175 523680 08:15:25.5 +19:57:24 15.0 175 Positions are for J2000
Event circumstances last updated at 2022/03/12 01:55:38 UT
Marc W. Buie, Southwest Research Institute