Event between (535027) 14WY509 and star GA0860:03933053 with event index number of 2337784
Geocentric closest approach at 2027/12/09 07:34:23 UTC
J2000 position of star is 11:04:54.0 -03:28:56
Equinox of date position of star is 11:06:08.8 -03:36:53
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 147 degrees from the moon.
Moon is 79% illuminated.
Apparent brightness V=22.2
Object is 42.3 AU from the Sun
and 42.3 AU from the Earth.
Apparent velocity is 7.5
km/sec on the sky relative to the star, or,
0.9 arcsec/hr.
The 1-sigma error in the time of the event is 344 seconds.
The 1-sigma cross-track error in the shadow position is
3787 km.
The object has an absolute magnitude Hv=5.8
Diameter=405.5 km assuming a 5% albedo -- 54.6 sec chord
Diameter=165.6 km assuming a 30% albedo -- 22.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 535027, (2027/12/09 07:26UT) Object RA Dec mag sep mel Regulus 10:09:51.5 +11:49:46 1.3 20.88 128 61 Leo 11:03:15.2 -02:38:08 6.1 1.26 146 PPM 194048 11:04:02.1 -03:39:49 6.8 0.57 146 PPM 194073 11:05:16.0 -03:39:16 9.5 0.26 147 PPM 194095 11:06:23.8 -03:41:12 10.1 0.06 147 535027 11:06:19.4 -03:38:01 16.2 147 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 535027, (2027/12/09 07:26UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 20.88 128 61 Leo 11:01:49.7 -02:29:06 6.1 1.26 146 PPM 194048 11:02:36.8 -03:30:46 6.8 0.57 146 PPM 194073 11:03:50.7 -03:30:12 9.5 0.26 147 PPM 194095 11:04:58.4 -03:32:08 10.1 0.06 147 535027 11:04:54.0 -03:28:56 16.2 147 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:27:31 UT
Marc W. Buie, Southwest Research Institute