Event between (501546) 14JJ80 and star GA0940:16720321 with event index number of 1009855
Geocentric closest approach at 2020/12/05 05:53:11 UTC
J2000 position of star is 21:37:43.5 +04:11:51
Equinox of date position of star is 21:38:46.7 +04:17:33
Stellar brightness G=15.0,
use SENSEUP=128
Star is 152 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=21.1
TNO is 32.1 AU from the Sun
and 32.3 AU from the Earth.
The TNO is moving 16.0
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 80 seconds.
The 1-sigma cross-track error in the shadow position is
1201 km.
The TNO has an absolute magnitude Hv=5.8
Diameter=418.8 km assuming a 5% albedo -- 26.2 sec chord
Diameter=171.0 km assuming a 30% albedo -- 10.7 sec chord
Dynamical classification is CENTAURS
Star training set for 501546, (2020/12/05 05:53UT) Object RA Dec mag sep mel Fomalhaut 22:58:48.2 -29:30:39 1.2 38.87 150 Markab 23:05:48.3 +15:19:06 2.5 24.07 131 4 Peg 21:39:34.8 +05:52:01 5.9 1.59 150 PPM 172017 21:38:32.1 +04:46:38 6.9 0.49 151 PPM 172037 21:39:09.2 +04:13:48 9.5 0.11 152 501546 21:38:46.7 +04:17:33 15.0 151 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 501546, (2020/12/05 05:53UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 38.87 150 Markab 23:04:45.8 +15:12:18 2.5 24.07 131 4 Peg 21:38:32.1 +05:46:19 5.9 1.59 150 PPM 172017 21:37:29.1 +04:40:57 6.9 0.49 151 PPM 172037 21:38:06.0 +04:08:06 9.5 0.11 152 501546 21:37:43.5 +04:11:51 15.0 152 Positions are for J2000
Event circumstances last updated at 2020/12/04 01:10:22 UT
Marc W. Buie, Southwest Research Institute