Event between (600217) 11QY100 and star GA0860:01064101 with event index number of 2730097
Geocentric closest approach at 2023/03/15 15:52:51 UTC
J2000 position of star is 06:12:35.3 -02:01:42
Equinox of date position of star is 06:13:41.7 -02:02:07
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 150 degrees from the moon.
Moon is 44% illuminated.
TNO apparent brightness V=21.4
TNO is 19.8 AU from the Sun
and 19.6 AU from the Earth.
The TNO is moving 14.2
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 52 seconds.
The 1-sigma cross-track error in the shadow position is
1021 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=137.4 km assuming a 5% albedo -- 9.7 sec chord
Diameter=56.1 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CENTAURR
Star training set for 600217, (2023/03/15 15:53UT) Object RA Dec mag sep mel Betelgeuse 05:56:25.7 +07:24:34 0.4 10.39 159 Saiph 05:48:51.5 -09:39:47 2.1 9.82 142 PPM 176187 06:16:45.1 -00:31:22 6.2 1.69 152 PPM 176172 06:14:46.9 -01:49:51 8.3 0.33 150 PPM 176149 06:12:36.1 -02:00:51 8.7 0.29 150 600217 06:13:45.5 -02:02:09 16.5 150 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 600217, (2023/03/15 15:53UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 10.39 159 Saiph 05:47:45.4 -09:40:11 2.1 9.82 142 PPM 176187 06:15:34.0 -00:30:49 6.2 1.69 152 PPM 176172 06:13:36.6 -01:49:22 8.3 0.33 150 PPM 176149 06:11:25.8 -02:00:26 8.7 0.29 150 600217 06:12:35.3 -02:01:42 16.5 150 Positions are for J2000
Event circumstances last updated at 2021/12/02 01:21:21 UT
Marc W. Buie, Southwest Research Institute