Event between 07LG38 and star GA0900:07345207 with event index number of 2024849
Geocentric closest approach at 2022/10/10 23:49:38 UTC
J2000 position of star is 18:17:27.1 +00:07:50
Equinox of date position of star is 18:18:36.9 +00:08:26
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 115 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=24.0
TNO is 36.2 AU from the Sun
and 36.4 AU from the Earth.
The TNO is moving 18.3
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 183 seconds.
The 1-sigma cross-track error in the shadow position is
4193 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=134.9 km assuming a 5% albedo -- 7.4 sec chord
Diameter=55.1 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is 5:2EEE
Star training set for 07LG38, (2022/10/10 23:50UT) Object RA Dec mag sep mel Antares 16:30:48.5 -26:28:50 0.9 37.18 141 60Bet Oph 17:44:35.9 +04:33:34 2.8 9.58 122 59 Ser 18:28:22.4 +00:12:41 5.6 2.44 112 PPM 165460 18:15:43.7 +00:11:03 7.7 0.72 116 PPM 165492 18:16:47.1 +00:03:42 9.9 0.46 115 PPM 180287 18:19:06.6 -00:01:17 10.9 0.20 115 07LG38 18:18:37.0 +00:08:26 15.5 115 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, (2022/10/10 23:50UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 37.18 141 60Bet Oph 17:43:28.3 +04:34:06 2.8 9.58 122 59 Ser 18:27:12.5 +00:11:46 5.6 2.44 112 PPM 165460 18:14:33.8 +00:10:33 7.7 0.72 116 PPM 165492 18:15:37.1 +00:03:09 9.9 0.46 115 PPM 180287 18:17:56.5 -00:01:54 10.9 0.20 115 07LG38 18:17:27.1 +00:07:50 15.5 115 Positions are for J2000
Event circumstances last updated at 2022/10/01 04:15:20 UT
Marc W. Buie, Southwest Research Institute