Event between (600217) 11QY100 and star GA0880:03218948 with event index number of 2731139
Geocentric closest approach at 2027/01/31 18:06:15 UTC
J2000 position of star is 07:42:27.8 -00:54:36
Equinox of date position of star is 07:43:35.2 -00:57:48
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 124 degrees from the moon.
Moon is 28% illuminated.
TNO apparent brightness V=21.5
TNO is 21.2 AU from the Sun
and 20.3 AU from the Earth.
The TNO is moving 21.8
km/sec on the sky relative to the star, or,
5.3 arcsec/hr.
The 1-sigma error in the time of the event is 107 seconds.
The 1-sigma cross-track error in the shadow position is
1176 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=137.4 km assuming a 5% albedo -- 6.3 sec chord
Diameter=56.1 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is CENTAURR
Star training set for 600217, (2027/01/31 18:06UT) Object RA Dec mag sep mel Sirius 06:46:20.6 -16:45:12 -1.5 21.20 124 Alhena 06:39:16.6 +16:22:26 1.9 23.55 146 25 Mon 07:38:37.5 -04:10:24 5.1 3.45 123 PPM 177055 07:42:41.0 -01:36:23 8.0 0.69 124 PPM 177062 07:43:48.5 -00:52:59 9.0 0.09 124 600217 07:43:50.6 -00:58:32 15.9 124 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, (2027/01/31 18:06UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:25 -1.5 21.20 124 Alhena 06:37:42.8 +16:23:56 1.9 23.55 146 25 Mon 07:37:16.6 -04:06:39 5.1 3.45 123 PPM 177055 07:41:18.6 -01:32:30 8.0 0.69 124 PPM 177062 07:42:25.7 -00:49:03 9.0 0.09 124 600217 07:42:27.8 -00:54:36 15.9 124 Positions are for J2000
Event circumstances last updated at 2022/01/21 23:47:59 UT
Marc W. Buie, Southwest Research Institute