Event between (449097) 12UT68 and star UC4-617-028755 with event index number of 88388
Geocentric closest approach at 2017/08/26 19:18:22 UTC
J2000 position of star is 05:50:24.1 +33:12:16
Equinox of date position of star is 05:51:32.7 +33:12:30
Stellar brightness R=14.1,
use SENSEUP=64
Star is 126 degrees from the moon.
Moon is 26% illuminated.
TNO apparent brightness V=21.2
TNO is 13.3 AU from the Sun
and 13.7 AU from the Earth.
The TNO is moving 21.8
km/sec on the sky relative to the star, or,
7.9 arcsec/hr.
The 1-sigma error in the time of the event is 55 seconds.
The 1-sigma cross-track error in the shadow position is
676 km.
The TNO has an absolute magnitude Hv=9.6
Diameter=72.4 km assuming a 5% albedo -- 3.3 sec chord
Diameter=29.6 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 449097, (2017/08/26 19:18UT) Object RA Dec mag sep mel Aldebaran 04:36:56.1 +16:32:36 0.8 23.67 146 Alnath 05:27:24.6 +28:37:15 1.6 6.92 132 PPM 071002 05:56:07.8 +31:42:09 5.9 1.79 125 PPM 070825 05:47:36.2 +32:39:18 8.3 1.00 127 PPM 070877 05:50:08.0 +33:16:28 9.4 0.31 126 449097 05:51:33.8 +33:12:30 14.1 125 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 449097, (2017/08/26 19:18UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 23.67 146 Alnath 05:26:17.5 +28:36:24 1.6 6.92 132 PPM 071002 05:54:58.9 +31:42:03 5.9 1.79 125 PPM 070825 05:46:26.9 +32:38:58 8.3 1.00 127 PPM 070877 05:48:58.2 +33:16:11 9.4 0.31 126 449097 05:50:24.1 +33:12:16 14.1 126 Positions are for J2000
Event circumstances last updated at 2017/05/16 18:32:11 UT
Marc W. Buie, Southwest Research Institute