Event between (471136) 10EO65 and star GA0580:40415697 with event index number of 2269090
Geocentric closest approach at 2022/07/29 19:02:31 UTC
J2000 position of star is 18:39:50.9 -30:09:07
Equinox of date position of star is 18:41:16.1 -30:07:49
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 141 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=21.6
TNO is 16.0 AU from the Sun
and 15.1 AU from the Earth.
The TNO is moving 17.8
km/sec on the sky relative to the star, or,
5.9 arcsec/hr.
The 1-sigma error in the time of the event is 335 seconds.
The 1-sigma cross-track error in the shadow position is
1414 km.
The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 4.3 sec chord
Diameter=31.0 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 471136, (2022/07/29 19:03UT) Object RA Dec mag sep mel Antares 16:30:47.7 -26:28:49 0.9 28.86 112 38Zet Sgr 19:04:02.8 -29:50:45 2.7 4.93 146 PPM 268632 18:37:26.1 -29:40:45 6.4 0.95 140 PPM 297970 18:40:08.5 -30:00:23 7.0 0.28 140 PPM 298002 18:41:42.7 -30:20:43 9.5 0.23 141 471136 18:41:17.6 -30:07:47 16.0 141 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 471136, (2022/07/29 19:03UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 28.86 112 38Zet Sgr 19:02:36.7 -29:52:49 2.7 4.93 146 PPM 268632 18:35:59.7 -29:41:57 6.4 0.95 140 PPM 297970 18:38:41.9 -30:01:41 7.0 0.28 140 PPM 298002 18:40:15.9 -30:22:04 9.5 0.23 141 471136 18:39:50.9 -30:09:07 16.0 141 Positions are for J2000
Event circumstances last updated at 2022/03/15 01:08:15 UT
Marc W. Buie, Southwest Research Institute