Event between 16SP56 and star GA0960:00261337 with event index number of 2426324
Geocentric closest approach at 2022/11/21 20:28:45 UTC
J2000 position of star is 03:04:19.0 +06:31:18
Equinox of date position of star is 03:05:28.4 +06:36:20
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 164 degrees from the moon.
Moon is 6% illuminated.
TNO apparent brightness V=22.5
TNO is 41.3 AU from the Sun
and 40.4 AU from the Earth.
The TNO is moving 24.7
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 120 seconds.
The 1-sigma cross-track error in the shadow position is
2264 km.
The TNO has an absolute magnitude Hv=6.3
Diameter=279.3 km assuming a 5% albedo -- 13.2 sec chord
Diameter=114.0 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is SCATNEAR
Star training set for 16SP56, (2022/11/21 20:29UT) Object RA Dec mag sep mel Aldebaran 04:37:14.2 +16:33:13 0.8 24.53 142 Menkar 03:03:28.7 +04:10:42 2.5 2.48 163 PPM 146189 03:04:41.0 +06:18:53 6.3 0.36 164 PPM 146199 03:05:34.9 +06:44:14 10.0 0.13 164 16SP56 03:05:31.9 +06:36:35 16.3 163 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 16SP56, (2022/11/21 20:29UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 24.53 142 Menkar 03:02:16.8 +04:05:21 2.5 2.48 163 PPM 146189 03:03:28.2 +06:13:34 6.3 0.36 164 PPM 146199 03:04:22.0 +06:38:57 10.0 0.13 164 16SP56 03:04:19.0 +06:31:18 16.3 163 Positions are for J2000
Event circumstances last updated at 2021/10/15 01:17:05 UT
Marc W. Buie, Southwest Research Institute