Event between (600217) 11QY100 and star GA0860:01062342 with event index number of 2730092
Geocentric closest approach at 2023/03/09 17:42:29 UTC
J2000 position of star is 06:12:28.6 -02:09:49
Equinox of date position of star is 06:13:34.9 -02:10:13
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 100 degrees from the moon.
Moon is 95% illuminated.
TNO apparent brightness V=21.4
TNO is 19.8 AU from the Sun
and 19.5 AU from the Earth.
The TNO is moving 13.5
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 53 seconds.
The 1-sigma cross-track error in the shadow position is
1036 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=137.4 km assuming a 5% albedo -- 10.2 sec chord
Diameter=56.1 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is CENTAURR
Star training set for 600217, (2023/03/09 17:42UT) Object RA Dec mag sep mel Betelgeuse 05:56:25.7 +07:24:34 0.4 10.50 105 Saiph 05:48:51.4 -09:39:47 2.1 9.70 106 PPM 188936 06:15:03.5 -03:44:58 5.8 1.62 100 PPM 176170 06:14:45.9 -02:15:41 7.8 0.29 100 600217 06:13:38.7 -02:10:15 16.6 100 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, (2023/03/09 17:42UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 10.50 105 Saiph 05:47:45.4 -09:40:11 2.1 9.70 106 PPM 188936 06:13:54.2 -03:44:29 5.8 1.62 100 PPM 176170 06:13:35.8 -02:15:12 7.8 0.29 100 600217 06:12:28.6 -02:09:49 16.6 100 Positions are for J2000
Event circumstances last updated at 2021/12/02 01:19:39 UT
Marc W. Buie, Southwest Research Institute