Event between 15VV168 and star GA1060:00336188 with event index number of 1020905
Geocentric closest approach at 2018/12/17 17:34:07 UTC
J2000 position of star is 03:18:33.0 +17:03:33
Equinox of date position of star is 03:19:37.1 +17:07:38
Stellar brightness G=16.8,
use SENSEUP=128
Star is 31 degrees from the moon.
Moon is 72% illuminated.
TNO apparent brightness V=25.2
TNO is 42.7 AU from the Sun
and 41.9 AU from the Earth.
The TNO is moving 20.4
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 313 seconds.
The 1-sigma cross-track error in the shadow position is
4628 km.
The TNO has an absolute magnitude Hv=8.9
Diameter=102.3 km assuming a 5% albedo -- 5.0 sec chord
Diameter=41.8 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 15VV168, (2018/12/17 17:34UT) Object RA Dec mag sep mel Aldebaran 04:37:00.7 +16:32:45 0.8 18.52 48 Menkar 03:03:16.4 +04:09:47 2.5 13.57 24 57Del Ari 03:12:43.0 +19:47:50 4.3 3.13 30 PPM 119006 03:21:03.8 +17:34:08 8.2 0.56 31 PPM 118991 03:20:07.2 +16:58:24 11.4 0.19 31 15VV168 03:19:37.2 +17:07:38 16.8 31 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 15VV168, (2018/12/17 17:34UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 18.52 48 Menkar 03:02:16.8 +04:05:21 2.5 13.57 24 57Del Ari 03:11:38.0 +19:43:36 4.3 3.13 30 PPM 119006 03:19:59.3 +17:30:04 8.2 0.56 31 PPM 118991 03:19:03.0 +16:54:19 11.4 0.19 31 15VV168 03:18:33.0 +17:03:33 16.8 31 Positions are for J2000
Event circumstances last updated at 2018/12/01 22:10:41 UT
Marc W. Buie, Southwest Research Institute