Event between 13GL137 and star GA0680:06379216 with event index number of 2053587
Geocentric closest approach at 2022/02/02 16:00:31 UTC
J2000 position of star is 15:39:06.1 -21:37:39
Equinox of date position of star is 15:40:23.1 -21:41:51
Stellar brightness G=13.9,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 95 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=23.9
TNO is 32.9 AU from the Sun
and 33.2 AU from the Earth.
The TNO is moving 13.2
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 559 seconds.
The 1-sigma cross-track error in the shadow position is
4168 km.
The TNO has an absolute magnitude Hv=8.5
Diameter=119.7 km assuming a 5% albedo -- 9.0 sec chord
Diameter=48.9 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is 3:2E
Star training set for 13GL137, (2022/02/02 16:01UT) Object RA Dec mag sep mel Antares 16:30:45.9 -26:28:45 0.9 12.44 83 7Del Sco 16:01:38.6 -22:40:58 2.3 5.02 90 PPM 264480 15:39:33.6 -21:05:15 5.9 0.64 96 PPM 264486 15:39:51.8 -21:40:10 8.4 0.13 95 13GL137 15:40:23.7 -21:41:53 13.9 95 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 13GL137, (2022/02/02 16:01UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.44 83 7Del Sco 16:00:20.0 -22:37:18 2.3 5.02 90 PPM 264480 15:38:16.4 -21:01:00 5.9 0.64 96 PPM 264486 15:38:34.3 -21:35:55 8.4 0.13 95 13GL137 15:39:06.1 -21:37:39 13.9 95 Positions are for J2000
Event circumstances last updated at 2021/12/04 02:03:51 UT
Marc W. Buie, Southwest Research Institute