Event between 04QE29 and star GA0940:16937710 with event index number of 2680786
Geocentric closest approach at 2022/07/31 12:36:21 UTC
J2000 position of star is 22:48:35.6 +04:58:49
Equinox of date position of star is 22:49:41.8 +05:05:44
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 163 degrees from the moon.
Moon is 7% illuminated.
TNO apparent brightness V=23.7
TNO is 38.0 AU from the Sun
and 37.2 AU from the Earth.
The TNO is moving 19.5
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 255 seconds.
The 1-sigma cross-track error in the shadow position is
4821 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=166.0 km assuming a 5% albedo -- 8.5 sec chord
Diameter=67.8 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is SCATEXTD
Star training set for 04QE29, (2022/07/31 12:36UT) Object RA Dec mag sep mel Fomalhaut 22:58:53.6 -29:30:07 1.2 34.67 163 Markab 23:05:53.2 +15:19:38 2.5 10.97 152 PPM 173590 22:58:41.8 +03:55:53 6.3 2.52 164 PPM 173457 22:50:04.9 +04:24:44 7.4 0.69 163 PPM 173474 22:50:57.5 +04:33:45 10.0 0.62 163 PPM 173448 22:49:24.4 +05:05:00 10.6 0.08 163 04QE29 22:49:44.3 +05:06:00 16.6 163 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 04QE29, (2022/07/31 12:36UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 34.67 163 Markab 23:04:45.8 +15:12:18 2.5 10.97 152 PPM 173590 22:57:32.9 +03:48:37 6.3 2.52 164 PPM 173457 22:48:56.2 +04:17:33 7.4 0.69 163 PPM 173474 22:49:48.8 +04:26:34 10.0 0.62 163 PPM 173448 22:48:15.8 +04:57:49 10.6 0.08 163 04QE29 22:48:35.6 +04:58:49 16.6 163 Positions are for J2000
Event circumstances last updated at 2021/10/03 01:42:57 UT
Marc W. Buie, Southwest Research Institute