Event between 03SS422 and star GA0860:00163840 with event index number of 2363445
Geocentric closest approach at 2023/08/22 23:40:41 UTC
J2000 position of star is 02:01:40.2 -02:37:56
Equinox of date position of star is 02:02:49.4 -02:31:24
Stellar brightness G=12.0,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 158 degrees from the moon.
Moon is 36% illuminated.
TNO apparent brightness V=23.4
TNO is 42.0 AU from the Sun
and 41.5 AU from the Earth.
The TNO is moving 12.2
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 269 seconds.
The 1-sigma cross-track error in the shadow position is
4425 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=227.0 km assuming a 5% albedo -- 18.4 sec chord
Diameter=92.7 km assuming a 30% albedo -- 7.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 03SS422, (2023/08/22 23:43UT) Object RA Dec mag sep mel Aldebaran 04:37:16.8 +16:33:18 0.8 42.62 152 68Omi Cet 02:20:32.6 -02:52:17 2.0 4.43 159 PPM 184185 02:04:52.1 -03:59:28 5.4 1.55 157 PPM 184135 02:02:16.3 -02:22:54 8.2 0.20 158 PPM 184153 02:03:16.3 -02:28:11 8.8 0.11 158 03SS422 02:02:52.1 -02:31:09 12.0 159 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 03SS422, (2023/08/22 23:43UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 42.62 152 68Omi Cet 02:19:20.8 -02:58:45 2.0 4.43 159 PPM 184185 02:03:40.5 -04:06:14 5.4 1.55 157 PPM 184135 02:01:04.3 -02:29:42 8.2 0.20 158 PPM 184153 02:02:04.3 -02:34:58 8.8 0.11 158 03SS422 02:01:40.2 -02:37:56 12.0 158 Positions are for J2000
Event circumstances last updated at 2022/09/27 03:22:14 UT
Marc W. Buie, Southwest Research Institute