Event between 13NU33 and star GA0820:22328626 with event index number of 2070102
Geocentric closest approach at 2022/07/10 06:07:39 UTC
J2000 position of star is 22:26:58.2 -06:08:45
Equinox of date position of star is 22:28:06.6 -06:02:02
Stellar brightness G=13.5,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 98 degrees from the moon.
Moon is 83% illuminated.
TNO apparent brightness V=22.7
TNO is 33.1 AU from the Sun
and 32.4 AU from the Earth.
The TNO is moving 14.0
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 147 seconds.
The 1-sigma cross-track error in the shadow position is
1994 km.
The TNO has an absolute magnitude Hv=7.4
Diameter=200.5 km assuming a 5% albedo -- 14.4 sec chord
Diameter=81.8 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 13NU33, (2022/07/10 06:08UT) Object RA Dec mag sep mel Fomalhaut 22:58:53.4 -29:30:09 1.2 24.57 95 Markab 23:05:53.1 +15:19:37 2.5 23.31 114 PPM 206458 22:32:29.1 -06:26:22 6.3 1.15 99 PPM 206387 22:29:02.2 -05:47:26 8.2 0.33 98 PPM 206368 22:27:53.1 -06:00:46 9.3 0.07 98 13NU33 22:28:08.7 -06:01:50 13.5 98 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 13NU33, (2022/07/10 06:08UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 24.57 95 Markab 23:04:45.8 +15:12:18 2.5 23.31 114 PPM 206458 22:31:18.6 -06:33:21 6.3 1.15 99 PPM 206387 22:27:51.8 -05:54:22 8.2 0.33 98 PPM 206368 22:26:42.6 -06:07:41 9.3 0.07 98 13NU33 22:26:58.2 -06:08:45 13.5 98 Positions are for J2000
Event circumstances last updated at 2021/11/09 00:06:45 UT
Marc W. Buie, Southwest Research Institute