Event between (472271) 14UM33 and star GA1100:00294222 with event index number of 327741
Geocentric closest approach at 2020/08/01 04:31:00 UTC
J2000 position of star is 02:41:44.5 +20:08:46
Equinox of date position of star is 02:42:54.4 +20:13:59
Stellar brightness G=15.2,
use SENSEUP=128
Star is 125 degrees from the moon.
Moon is 93% illuminated.
TNO apparent brightness V=26.5
TNO is 43.4 AU from the Sun
and 43.5 AU from the Earth.
The TNO is moving 6.7
km/sec on the sky relative to the star, or,
0.8 arcsec/hr.
The 1-sigma error in the time of the event is 382 seconds.
The 1-sigma cross-track error in the shadow position is
1581 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=691.9 km assuming a 5% albedo -- 9.0 sec chord
Diameter=282.4 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 472271, (2020/08/01 04:31UT) Object RA Dec mag sep mel Aldebaran 04:37:06.3 +16:32:56 0.8 27.31 150 Hamal 02:08:20.3 +23:33:32 2.0 8.68 118 34Mu Ari 02:43:31.8 +20:05:53 5.7 0.20 125 PPM 091920 02:44:11.0 +20:19:02 8.2 0.31 125 34Mu Ari 02:43:31.8 +20:05:53 5.7 0.20 125 472271 02:42:54.4 +20:13:59 15.2 125 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 472271, (2020/08/01 04:31UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 27.31 150 Hamal 02:07:10.7 +23:27:42 2.0 8.68 118 34Mu Ari 02:42:22.0 +20:00:41 5.7 0.20 125 PPM 091920 02:43:01.1 +20:13:50 8.2 0.31 125 34Mu Ari 02:42:22.0 +20:00:41 5.7 0.20 125 472271 02:41:44.5 +20:08:46 15.2 125 Positions are for J2000
Event circumstances last updated at 2020/07/30 21:39:50 UT
Marc W. Buie, Southwest Research Institute