Event between (576357) 12PV45 and star GA1000:19580222 with event index number of 2524201
Geocentric closest approach at 2022/05/31 02:40:26 UTC
J2000 position of star is 23:59:18.3 +10:34:05
Equinox of date position of star is 00:00:25.3 +10:41:22
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 72 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=22.3
TNO is 17.0 AU from the Sun
and 17.4 AU from the Earth.
The TNO is moving 21.2
km/sec on the sky relative to the star, or,
6.0 arcsec/hr.
The 1-sigma error in the time of the event is 40 seconds.
The 1-sigma cross-track error in the shadow position is
754 km.
The TNO has an absolute magnitude Hv=9.6
Diameter=74.1 km assuming a 5% albedo -- 3.5 sec chord
Diameter=30.3 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 576357, (2022/05/31 02:40UT) Object RA Dec mag sep mel Deneb 20:42:11.8 +45:21:41 1.3 54.56 94 Algenib 00:14:23.6 +15:18:29 2.8 5.73 68 82 Peg 23:53:45.8 +11:04:20 5.3 1.69 74 PPM 142985 23:57:28.4 +10:08:13 7.7 0.92 73 PPM 142994 23:58:17.0 +11:15:13 9.5 0.77 73 PPM 143024 00:00:29.7 +10:55:13 11.2 0.23 72 576357 00:00:27.2 +10:41:35 13.5 72 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 576357, (2022/05/31 02:40UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 54.56 94 Algenib 00:13:14.2 +15:11:01 2.8 5.73 68 82 Peg 23:52:37.1 +10:56:51 5.3 1.69 74 PPM 142985 23:56:19.6 +10:00:44 7.7 0.92 73 PPM 142994 23:57:08.1 +11:07:44 9.5 0.77 73 PPM 143024 23:59:20.8 +10:47:44 11.2 0.23 72 576357 23:59:18.3 +10:34:05 13.5 72 Positions are for J2000
Event circumstances last updated at 2021/10/13 01:30:31 UT
Marc W. Buie, Southwest Research Institute