Event between (535020) 14WG509 and star GA0920:00463383 with event index number of 1615253
Geocentric closest approach at 2019/12/15 23:30:26 UTC
J2000 position of star is 04:41:32.3 +02:50:34
Equinox of date position of star is 04:42:33.5 +02:52:44
Stellar brightness G=15.3,
use SENSEUP=128
Star is 65 degrees from the moon.
Moon is 84% illuminated.
TNO apparent brightness V=22.2
TNO is 44.0 AU from the Sun
and 43.1 AU from the Earth.
The TNO is moving 25.2
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 122 seconds.
The 1-sigma cross-track error in the shadow position is
1845 km.
The TNO has an absolute magnitude Hv=5.8
Diameter=416.9 km assuming a 5% albedo -- 16.6 sec chord
Diameter=170.2 km assuming a 30% albedo -- 6.8 sec chord
Dynamical classification is SCATEXTD
Star training set for 535020, (2019/12/15 23:30UT) Object RA Dec mag sep mel Aldebaran 04:37:04.1 +16:32:52 0.8 13.74 62 67Bet Eri 05:08:49.9 -05:03:43 2.8 10.30 62 PPM 147738 04:38:15.5 +01:02:14 5.3 2.14 67 PPM 147831 04:43:16.4 +03:01:36 7.4 0.23 65 535020 04:42:34.9 +02:52:47 15.3 65 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 535020, (2019/12/15 23:30UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 13.74 62 67Bet Eri 05:07:50.8 -05:05:13 2.8 10.30 62 PPM 147738 04:37:13.7 +00:59:54 5.3 2.14 67 PPM 147831 04:42:13.7 +02:59:24 7.4 0.23 65 535020 04:41:32.3 +02:50:34 15.3 65 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:24:47 UT
Marc W. Buie, Southwest Research Institute