Event between (600217) 11QY100 and star GA0880:02470020 with event index number of 2730528
Geocentric closest approach at 2024/09/09 09:57:39 UTC
J2000 position of star is 07:06:33.6 -00:54:24
Equinox of date position of star is 07:07:40.6 -00:56:31
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 123 degrees from the moon.
Moon is 32% illuminated.
TNO apparent brightness V=21.6
TNO is 20.2 AU from the Sun
and 20.6 AU from the Earth.
The TNO is moving 25.0
km/sec on the sky relative to the star, or,
6.0 arcsec/hr.
The 1-sigma error in the time of the event is 62 seconds.
The 1-sigma cross-track error in the shadow position is
1064 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=137.4 km assuming a 5% albedo -- 5.5 sec chord
Diameter=56.1 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
Star training set for 600217, (2024/09/09 09:58UT) Object RA Dec mag sep mel Sirius 06:46:14.2 -16:45:02 -1.5 16.67 118 Alhena 06:39:08.3 +16:22:34 1.9 18.71 136 21 Mon 07:12:39.3 -00:20:41 5.5 1.35 122 PPM 176665 07:07:08.2 -01:03:40 7.9 0.21 123 PPM 176671 07:07:35.4 -00:54:15 9.7 0.07 123 600217 07:07:49.1 -00:56:47 15.1 122 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, (2024/09/09 09:58UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:24 -1.5 16.67 118 Alhena 06:37:42.8 +16:23:57 1.9 18.71 136 21 Mon 07:11:23.5 -00:18:08 5.5 1.35 122 PPM 176665 07:05:52.8 -01:01:18 7.9 0.21 123 PPM 176671 07:06:19.9 -00:51:53 9.7 0.07 123 600217 07:06:33.6 -00:54:24 15.1 122 Positions are for J2000
Event circumstances last updated at 2021/12/02 01:56:58 UT
Marc W. Buie, Southwest Research Institute