Event between 03HM57 and star GA0540:36112417 with event index number of 2001807
Geocentric closest approach at 2022/06/28 12:39:52 UTC
J2000 position of star is 18:40:26.5 -34:40:52
Equinox of date position of star is 18:41:54.9 -34:39:32
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 168 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=19.9
TNO is 14.3 AU from the Sun
and 13.3 AU from the Earth.
The TNO is moving 19.3
km/sec on the sky relative to the star, or,
7.2 arcsec/hr.
The 1-sigma error in the time of the event is 175 seconds.
The 1-sigma cross-track error in the shadow position is
713 km.
The TNO has an absolute magnitude Hv=8.4
Diameter=128.8 km assuming a 5% albedo -- 6.7 sec chord
Diameter=52.6 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is CENTAURR
Star training set for 03HM57, (2022/06/28 12:40UT) Object RA Dec mag sep mel Antares 16:30:47.4 -26:28:48 0.9 29.24 159 38Zet Sgr 19:04:02.4 -29:50:46 2.7 6.71 166 PPM 298093 18:45:49.6 -35:37:04 4.9 1.25 167 PPM 298054 18:43:31.8 -34:26:37 8.0 0.39 168 PPM 297996 18:41:29.3 -34:34:39 9.4 0.12 169 03HM57 18:41:56.1 -34:39:31 15.5 168 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 03HM57, (2022/06/28 12:40UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 29.24 159 38Zet Sgr 19:02:36.7 -29:52:49 2.7 6.71 166 PPM 298093 18:44:19.4 -35:38:32 4.9 1.25 167 PPM 298054 18:42:02.3 -34:28:00 8.0 0.39 168 PPM 297996 18:39:59.7 -34:35:58 9.4 0.12 169 03HM57 18:40:26.5 -34:40:52 15.5 168 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:14:31 UT
Marc W. Buie, Southwest Research Institute