Event between 14UN228 and star GA1100:00233614 with event index number of 1672351
Geocentric closest approach at 2020/11/16 14:04:34 UTC
J2000 position of star is 02:07:30.9 +21:57:24
Equinox of date position of star is 02:08:38.7 +22:03:07
Stellar brightness G=13.9,
use SENSEUP=64
Star is 142 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=25.9
TNO is 38.5 AU from the Sun
and 37.6 AU from the Earth.
The TNO is moving 23.9
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 97 seconds.
The 1-sigma cross-track error in the shadow position is
2246 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=184.5 km assuming a 5% albedo -- 2.5 sec chord
Diameter=75.3 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is SCATEXTD
Star training set for 14UN228, (2020/11/16 14:05UT) Object RA Dec mag sep mel Aldebaran 04:37:07.3 +16:32:59 0.8 35.37 174 Hamal 02:08:21.3 +23:33:37 2.0 1.51 142 12Kap Ari 02:07:44.3 +22:44:49 5.1 0.73 142 PPM 091428 02:12:33.7 +21:28:29 8.1 1.07 143 PPM 091374 02:08:22.1 +22:13:55 9.7 0.19 142 PPM 091371 02:08:17.5 +22:06:20 11.2 0.10 142 14UN228 02:08:41.1 +22:03:19 13.9 143 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 14UN228, (2020/11/16 14:05UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 35.37 174 Hamal 02:07:10.7 +23:27:42 2.0 1.51 142 12Kap Ari 02:06:33.9 +22:38:53 5.1 0.73 142 PPM 091428 02:11:23.5 +21:22:38 8.1 1.07 143 PPM 091374 02:07:11.8 +22:08:00 9.7 0.19 142 PPM 091371 02:07:07.3 +22:00:25 11.2 0.10 142 14UN228 02:07:30.9 +21:57:24 13.9 142 Positions are for J2000
Event circumstances last updated at 2020/02/26 21:46:48 UT
Marc W. Buie, Southwest Research Institute