Event between (449097) 12UT68 and star UC4-620-029832 with event index number of 88406
Geocentric closest approach at 2017/10/08 14:03:17 UTC
J2000 position of star is 05:55:48.9 +33:56:51
Equinox of date position of star is 05:56:57.9 +33:56:57
Stellar brightness R=14.5,
use SENSEUP=128
Star is 39 degrees from the moon.
Moon is 90% illuminated.
TNO apparent brightness V=21.2
TNO is 13.3 AU from the Sun
and 13.0 AU from the Earth.
The TNO is moving 6.9
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 76 seconds.
The 1-sigma cross-track error in the shadow position is
1200 km.
The TNO has an absolute magnitude Hv=9.6
Diameter=72.4 km assuming a 5% albedo -- 10.4 sec chord
Diameter=29.6 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is CENTAURR
Star training set for 449097, (2017/10/08 14:03UT) Object RA Dec mag sep mel Pollux 07:46:24.1 +27:58:55 1.1 24.12 61 Alnath 05:27:25.0 +28:37:15 1.6 8.26 31 PPM 071196 06:06:44.4 +33:35:47 6.1 2.06 41 PPM 070958 05:54:03.5 +34:26:50 8.5 0.78 39 PPM 070984 05:55:15.4 +34:01:58 9.8 0.37 39 PPM 071037 05:58:22.1 +33:43:03 11.0 0.37 39 449097 05:56:59.5 +33:56:57 14.5 40 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, (2017/10/08 14:03UT) Object RA Dec mag sep mel Pollux 07:45:18.1 +28:01:33 1.1 24.12 61 Alnath 05:26:17.5 +28:36:24 1.6 8.26 31 PPM 071196 06:05:34.0 +33:35:57 6.1 2.06 41 PPM 070958 05:52:52.6 +34:26:40 8.5 0.78 39 PPM 070984 05:54:04.8 +34:01:50 9.8 0.37 39 PPM 071037 05:57:11.6 +33:43:00 11.0 0.37 39 449097 05:55:48.9 +33:56:51 14.5 39 Positions are for J2000
Event circumstances last updated at 2017/05/16 18:33:46 UT
Marc W. Buie, Southwest Research Institute