Event between 07LJ38 and star GA0900:07131209 with event index number of 2028645
Geocentric closest approach at 2023/06/22 03:24:45 UTC
J2000 position of star is 18:14:03.1 +00:20:09
Equinox of date position of star is 18:15:12.8 +00:20:38
Stellar brightness G=15.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 131 degrees from the moon.
Moon is 14% illuminated.
TNO apparent brightness V=23.2
TNO is 38.7 AU from the Sun
and 37.8 AU from the Earth.
The TNO is moving 23.9
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 162 seconds.
The 1-sigma cross-track error in the shadow position is
2062 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=210.9 km assuming a 5% albedo -- 8.9 sec chord
Diameter=86.1 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 07LJ38, (2023/06/22 03:25UT) Object RA Dec mag sep mel Antares 16:30:51.0 -26:28:55 0.9 36.76 115 60Bet Oph 17:44:38.0 +04:33:33 2.8 8.73 122 PPM 165298 18:11:04.5 +03:07:29 6.1 2.97 129 PPM 165460 18:15:45.8 +00:11:04 7.7 0.20 131 PPM 165430 18:15:13.1 +00:12:29 9.4 0.14 131 PPM 165451 18:15:37.5 +00:24:56 11.2 0.12 131 07LJ38 18:15:15.1 +00:20:39 15.0 131 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 07LJ38, (2023/06/22 03:25UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 36.76 115 60Bet Oph 17:43:28.3 +04:34:06 2.8 8.73 122 PPM 165298 18:09:54.1 +03:07:07 6.1 2.97 129 PPM 165460 18:14:33.8 +00:10:33 7.7 0.20 131 PPM 165430 18:14:01.0 +00:11:59 9.4 0.14 131 PPM 165451 18:14:25.6 +00:24:25 11.2 0.12 131 07LJ38 18:14:03.1 +00:20:09 15.0 131 Positions are for J2000
Event circumstances last updated at 2022/09/26 02:32:11 UT
Marc W. Buie, Southwest Research Institute