Event between (149348) 02VS130 and star GA1120:00934230 with event index number of 170725
Geocentric closest approach at 2019/01/02 19:30:40 UTC
J2000 position of star is 05:03:55.8 +23:45:10
Equinox of date position of star is 05:05:03.9 +23:46:39
Stellar brightness G=15.1,
use SENSEUP=128
Star is 167 degrees from the moon.
Moon is 10% illuminated.
TNO apparent brightness V=22.6
TNO is 42.9 AU from the Sun
and 42.0 AU from the Earth.
The TNO is moving 22.9
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 1942 seconds.
The 1-sigma cross-track error in the shadow position is
5242 km.
The TNO has an absolute magnitude Hv=6.3
Diameter=331.1 km assuming a 5% albedo -- 14.4 sec chord
Diameter=135.2 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 149348, (2019/01/02 19:31UT) Object RA Dec mag sep mel Aldebaran 04:37:00.8 +16:32:46 0.8 9.78 176 Alnath 05:27:29.7 +28:37:18 1.6 6.98 161 PPM 094053 05:06:46.7 +23:05:08 6.5 0.79 167 PPM 094048 05:06:21.3 +23:49:26 8.3 0.29 167 PPM 094016 05:04:59.8 +23:47:37 9.8 0.03 167 149348 05:05:05.1 +23:46:41 15.1 167 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 149348, (2019/01/02 19:31UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 9.78 176 Alnath 05:26:17.5 +28:36:23 1.6 6.98 161 PPM 094053 05:05:37.7 +23:03:40 6.5 0.79 167 PPM 094048 05:05:12.0 +23:47:56 8.3 0.29 167 PPM 094016 05:03:50.5 +23:46:05 9.8 0.03 167 149348 05:03:55.8 +23:45:10 15.1 167 Positions are for J2000
Event circumstances last updated at 2018/09/03 16:05:01 UT
Marc W. Buie, Southwest Research Institute