Event between (600217) 11QY100 and star GA0860:01305819 with event index number of 2730011
Geocentric closest approach at 2022/10/01 22:14:29 UTC
J2000 position of star is 06:25:32.1 -02:17:26
Equinox of date position of star is 06:26:38.3 -02:18:16
Stellar brightness G=13.2,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 149 degrees from the moon.
Moon is 38% illuminated.
TNO apparent brightness V=21.4
TNO is 19.7 AU from the Sun
and 19.7 AU from the Earth.
The TNO is moving 14.0
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 59 seconds.
The 1-sigma cross-track error in the shadow position is
1071 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=137.4 km assuming a 5% albedo -- 9.8 sec chord
Diameter=56.1 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is CENTAURR
Star training set for 600217, (2022/10/01 22:14UT) Object RA Dec mag sep mel Betelgeuse 05:56:24.3 +07:24:34 0.4 12.30 160 Saiph 05:48:50.2 -09:39:48 2.1 11.94 143 PPM 176266 06:27:48.7 -01:31:21 5.9 0.83 149 PPM 176257 06:27:08.0 -01:49:42 8.5 0.49 149 PPM 176259 06:27:11.9 -02:28:19 8.7 0.21 148 600217 06:26:40.8 -02:18:18 13.2 148 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, (2022/10/01 22:14UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 12.30 160 Saiph 05:47:45.4 -09:40:11 2.1 11.94 143 PPM 176266 06:26:39.6 -01:30:27 5.9 0.83 149 PPM 176257 06:25:59.0 -01:48:49 8.5 0.49 149 PPM 176259 06:26:03.2 -02:27:26 8.7 0.21 148 600217 06:25:32.1 -02:17:26 13.2 149 Positions are for J2000
Event circumstances last updated at 2021/12/02 01:02:16 UT
Marc W. Buie, Southwest Research Institute