Event between 03SR317 and star GA0940:00147725 with event index number of 2003257
Geocentric closest approach at 2022/10/23 15:09:47 UTC
J2000 position of star is 01:42:25.5 +05:56:57
Equinox of date position of star is 01:43:35.1 +06:03:38
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 162 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=23.5
TNO is 38.6 AU from the Sun
and 37.6 AU from the Earth.
The TNO is moving 25.1
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 484 seconds.
The 1-sigma cross-track error in the shadow position is
4628 km.
The TNO has an absolute magnitude Hv=7.7
Diameter=175.4 km assuming a 5% albedo -- 7.0 sec chord
Diameter=71.6 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is 3:2E
Star training set for 03SR317, (2022/10/23 15:10UT) Object RA Dec mag sep mel Aldebaran 04:37:13.9 +16:33:12 0.8 43.73 118 68Omi Cet 02:20:30.0 -02:52:30 2.0 12.83 153 106Nu Psc 01:42:37.3 +05:36:08 4.4 0.52 162 PPM 144799 01:37:52.8 +06:50:01 8.0 1.62 163 PPM 144905 01:43:52.6 +06:01:01 9.5 0.08 162 03SR317 01:43:37.0 +06:03:49 15.9 161 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 03SR317, (2022/10/23 15:10UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 43.73 118 68Omi Cet 02:19:20.8 -02:58:45 2.0 12.83 153 106Nu Psc 01:41:25.9 +05:29:15 4.4 0.52 162 PPM 144799 01:36:41.2 +06:43:04 8.0 1.62 163 PPM 144905 01:42:41.1 +05:54:09 9.5 0.08 162 03SR317 01:42:25.5 +05:56:57 15.9 162 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:17:08 UT
Marc W. Buie, Southwest Research Institute