Event between 07LH38 and star GA0840:07287101 with event index number of 2026015
Geocentric closest approach at 2022/10/19 15:54:58 UTC
J2000 position of star is 18:11:30.9 -05:38:40
Equinox of date position of star is 18:12:43.9 -05:38:16
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 130 degrees from the moon.
Moon is 32% illuminated.
TNO apparent brightness V=23.6
TNO is 37.5 AU from the Sun
and 37.8 AU from the Earth.
The TNO is moving 21.0
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 326 seconds.
The 1-sigma cross-track error in the shadow position is
5919 km.
The TNO has an absolute magnitude Hv=7.7
Diameter=171.4 km assuming a 5% albedo -- 8.2 sec chord
Diameter=70.0 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 07LH38, (2022/10/19 15:55UT) Object RA Dec mag sep mel Antares 16:30:48.5 -26:28:50 0.9 32.01 112 60Bet Oph 17:44:36.0 +04:33:34 2.8 12.38 120 PPM 201570 18:18:04.8 -02:59:58 5.9 2.96 131 PPM 201493 18:13:08.6 -05:37:01 7.6 0.10 130 PPM 201481 18:12:29.7 -05:36:38 9.7 0.07 130 07LH38 18:12:44.0 -05:38:16 15.9 131 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 07LH38, (2022/10/19 15:55UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 32.01 112 60Bet Oph 17:43:28.3 +04:34:06 2.8 12.38 120 PPM 201570 18:16:53.1 -03:00:32 5.9 2.96 131 PPM 201493 18:11:55.5 -05:37:26 7.6 0.10 130 PPM 201481 18:11:16.6 -05:37:02 9.7 0.07 130 07LH38 18:11:30.9 -05:38:40 15.9 130 Positions are for J2000
Event circumstances last updated at 2022/10/01 04:15:31 UT
Marc W. Buie, Southwest Research Institute