Event between (120061) 03CO1 and star GA0560:41667658 with event index number of 131129
Geocentric closest approach at 2018/07/12 03:30:55 UTC
J2000 position of star is 19:49:55.9 -33:26:44
Equinox of date position of star is 19:51:07.0 -33:23:53
Stellar brightness G=14.7,
use SENSEUP=128
Star is 157 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=21.3
TNO is 17.5 AU from the Sun
and 16.5 AU from the Earth.
The TNO is moving 22.8
km/sec on the sky relative to the star, or,
6.9 arcsec/hr.
The 1-sigma error in the time of the event is 569 seconds.
The 1-sigma cross-track error in the shadow position is
3038 km.
The TNO has an absolute magnitude Hv=8.9
Diameter=100.0 km assuming a 5% albedo -- 4.4 sec chord
Diameter=40.8 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 120061, (2018/07/12 03:31UT) Object RA Dec mag sep mel Fomalhaut 22:58:40.2 -29:31:25 1.2 39.85 119 38Zet Sgr 19:03:47.3 -29:51:08 2.7 10.67 168 PPM 299365 19:47:12.0 -31:51:45 5.5 1.74 159 PPM 299417 19:50:26.9 -32:55:17 8.3 0.50 158 PPM 299439 19:51:31.8 -33:29:40 9.7 0.13 157 PPM 299422 19:50:41.7 -33:22:50 10.2 0.09 157 120061 19:51:07.3 -33:23:52 14.7 157 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 120061, (2018/07/12 03:31UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 39.85 119 38Zet Sgr 19:02:36.7 -29:52:49 2.7 10.67 168 PPM 299365 19:46:01.2 -31:54:31 5.5 1.74 159 PPM 299417 19:49:15.7 -32:58:08 8.3 0.50 158 PPM 299439 19:50:20.3 -33:32:33 9.7 0.13 157 PPM 299422 19:49:30.3 -33:25:42 10.2 0.09 157 120061 19:49:55.9 -33:26:44 14.7 157 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:14:11 UT
Marc W. Buie, Southwest Research Institute