Event between 08SO266 and star UC4-439-003002 with event index number of 99067
Geocentric closest approach at 2017/10/03 21:36:16 UTC
J2000 position of star is 02:26:47.7 -02:14:04
Equinox of date position of star is 02:27:39.2 -02:09:33
Stellar brightness R=13.6
Star is 48 degrees from the moon.
Moon is 96% illuminated.
TNO apparent brightness V=21.6
TNO is 33.4 AU from the Sun
and 32.5 AU from the Earth.
The TNO is moving 22.6
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 162 seconds.
The 1-sigma cross-track error in the shadow position is
1965 km.
The TNO has an absolute magnitude Hv=6.3
Diameter=326.6 km assuming a 5% albedo -- 14.4 sec chord
Diameter=133.3 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is 3:2E
Star training set for 08SO266, (2017/10/03 21:36UT) Object RA Dec mag sep mel Aldebaran 04:36:56.5 +16:32:37 0.8 36.98 83 68Omi Cet 02:20:14.7 -02:53:52 2.0 2.00 46 70 Cet 02:23:06.8 -00:48:17 5.4 1.77 47 PPM 184600 02:25:47.9 -02:01:57 8.0 0.49 47 PPM 184632 02:27:20.6 -02:11:40 9.5 0.10 48 08SO266 02:27:41.8 -02:09:19 13.6 48 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 08SO266, (2017/10/03 21:36UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 36.98 83 68Omi Cet 02:19:20.8 -02:58:44 2.0 2.00 46 70 Cet 02:22:12.4 -00:53:06 5.4 1.77 47 PPM 184600 02:24:53.8 -02:06:44 8.0 0.49 47 PPM 184632 02:26:26.5 -02:16:26 9.5 0.10 48 08SO266 02:26:47.7 -02:14:04 13.6 48 Positions are for J2000
Event circumstances last updated at 2016/12/02 19:03:27 UT
Marc W. Buie, Southwest Research Institute