Event between 07LG38 and star GA0900:07712273 with event index number of 2024913
Geocentric closest approach at 2023/08/19 01:46:48 UTC
J2000 position of star is 18:24:35.1 +00:07:54
Equinox of date position of star is 18:25:47.5 +00:08:46
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 100 degrees from the moon.
Moon is 6% illuminated.
Apparent brightness V=23.9
Object is 36.5 AU from the Sun
and 35.9 AU from the Earth.
Apparent velocity is 17.9
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 229 seconds.
The 1-sigma cross-track error in the shadow position is
4010 km.
The object has an absolute magnitude Hv=8.2
Diameter=134.9 km assuming a 5% albedo -- 7.5 sec chord
Diameter=55.1 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 5:2EEE
Star training set for 07LG38, (2023/08/19 01:47UT) Object RA Dec mag sep mel Antares 16:30:51.6 -26:28:57 0.9 38.40 75 60Bet Oph 17:44:38.5 +04:33:33 2.8 11.18 89 59 Ser 18:28:25.1 +00:12:43 5.6 0.66 100 PPM 165722 18:24:40.8 +00:21:24 8.5 0.35 99 PPM 180317 18:25:15.0 +00:00:45 8.7 0.19 100 PPM 165753 18:25:43.5 +00:02:26 10.2 0.11 100 07LG38 18:25:47.7 +00:08:46 15.9 100 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 07LG38, (2023/08/19 01:47UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 38.40 75 60Bet Oph 17:43:28.3 +04:34:06 2.8 11.18 89 59 Ser 18:27:12.5 +00:11:46 5.6 0.66 100 PPM 165722 18:23:28.4 +00:20:34 8.5 0.35 99 PPM 180317 18:24:02.4 -00:00:06 8.7 0.19 100 PPM 165753 18:24:30.9 +00:01:34 10.2 0.11 100 07LG38 18:24:35.1 +00:07:54 15.9 100 Positions are for J2000
Event circumstances last updated at 2023/07/27 03:49:46 UT
Marc W. Buie, Southwest Research Institute