Event between 14DC143 and star GA0940:03945986 with event index number of 304910
Geocentric closest approach at 2020/05/02 21:18:21 UTC
J2000 position of star is 14:43:28.6 +05:46:14
Equinox of date position of star is 14:44:29.0 +05:41:09
Stellar brightness G=16.7,
use SENSEUP=128
Star is 58 degrees from the moon.
Moon is 72% illuminated.
TNO apparent brightness V=21.9
TNO is 15.4 AU from the Sun
and 14.4 AU from the Earth.
The TNO is moving 21.3
km/sec on the sky relative to the star, or,
7.3 arcsec/hr.
The 1-sigma error in the time of the event is 48 seconds.
The 1-sigma cross-track error in the shadow position is
717 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=52.7 km assuming a 5% albedo -- 2.8 sec chord
Diameter=21.5 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 14DC143, (2020/05/02 21:18UT) Object RA Dec mag sep mel Arcturus 14:16:35.4 +19:04:39 0.0 15.02 49 Unukalhai 15:45:16.3 +06:21:46 2.6 15.13 72 31 Boo 14:42:38.7 +08:04:32 5.8 2.43 57 PPM 160896 14:43:47.9 +06:30:19 7.5 0.84 57 PPM 160920 14:45:31.7 +06:17:25 9.2 0.66 58 PPM 160916 14:45:10.4 +05:41:57 10.3 0.17 58 14DC143 14:44:29.4 +05:41:07 16.7 58 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 14DC143, (2020/05/02 21:18UT) Object RA Dec mag sep mel Arcturus 14:15:38.1 +19:10:16 0.0 15.02 49 Unukalhai 15:44:16.3 +06:25:33 2.6 15.13 72 31 Boo 14:41:38.7 +08:09:42 5.8 2.43 57 PPM 160896 14:42:47.4 +06:35:27 7.5 0.84 57 PPM 160920 14:44:31.2 +06:22:31 9.2 0.66 58 PPM 160916 14:44:09.6 +05:47:04 10.3 0.17 58 14DC143 14:43:28.6 +05:46:14 16.7 58 Positions are for J2000
Event circumstances last updated at 2020/03/11 20:37:58 UT
Marc W. Buie, Southwest Research Institute