Event between 15VH165 and star GA1100:00465245 with event index number of 2572187
Geocentric closest approach at 2022/02/17 12:33:05 UTC
J2000 position of star is 03:53:08.9 +21:49:17
Equinox of date position of star is 03:54:26.3 +21:53:07
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 98 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=24.0
TNO is 33.4 AU from the Sun
and 33.3 AU from the Earth.
The TNO is moving 3.9
km/sec on the sky relative to the star, or,
0.6 arcsec/hr.
The 1-sigma error in the time of the event is 431 seconds.
The 1-sigma cross-track error in the shadow position is
1470 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=113.8 km assuming a 5% albedo -- 29.4 sec chord
Diameter=46.4 km assuming a 30% albedo -- 12.0 sec chord
Dynamical classification is 3:2E
Star training set for 15VH165, (2022/02/17 12:33UT) Object RA Dec mag sep mel Aldebaran 04:37:11.6 +16:33:07 0.8 11.41 89 44Zet Per 03:55:31.7 +31:56:51 2.8 10.06 94 PPM 092958 03:51:13.4 +22:18:36 5.9 0.86 98 PPM 093042 03:55:20.3 +22:00:34 7.0 0.24 97 15VH165 03:54:27.0 +21:53:09 15.9 97 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 15VH165, (2022/02/17 12:33UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 11.41 89 44Zet Per 03:54:07.9 +31:53:01 2.8 10.06 94 PPM 092958 03:49:55.1 +22:14:38 5.9 0.86 98 PPM 093042 03:54:02.0 +21:56:44 7.0 0.24 97 15VH165 03:53:08.9 +21:49:17 15.9 98 Positions are for J2000
Event circumstances last updated at 2021/12/05 02:04:18 UT
Marc W. Buie, Southwest Research Institute