Event between 14DQ143 and star GA0780:04314161 with event index number of 302260
Geocentric closest approach at 2019/03/17 01:50:54 UTC
J2000 position of star is 12:59:25.8 -10:48:45
Equinox of date position of star is 13:00:25.9 -10:54:55
Stellar brightness G=15.3,
use SENSEUP=128
Star is 77 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=22.5
TNO is 35.5 AU from the Sun
and 34.6 AU from the Earth.
The TNO is moving 22.3
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 73 seconds.
The 1-sigma cross-track error in the shadow position is
1703 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 10.8 sec chord
Diameter=97.9 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is SCATNEAR
Star training set for 14DQ143, (2019/03/17 01:51UT) Object RA Dec mag sep mel Spica 13:26:12.5 -11:15:40 1.0 6.33 83 40Psi Vir 12:55:21.2 -09:38:35 4.8 1.78 76 PPM 226549 12:57:03.2 -11:24:48 8.5 0.97 77 PPM 226637 13:00:46.4 -10:36:01 9.7 0.33 77 14DQ143 13:00:26.1 -10:54:57 15.3 78 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 14DQ143, (2019/03/17 01:51UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 6.33 83 40Psi Vir 12:54:21.1 -09:32:21 4.8 1.78 76 PPM 226549 12:56:02.8 -11:18:35 8.5 0.97 77 PPM 226637 12:59:46.1 -10:29:49 9.7 0.33 77 14DQ143 12:59:25.8 -10:48:45 15.3 77 Positions are for J2000
Event circumstances last updated at 2019/02/12 06:49:07 UT
Marc W. Buie, Southwest Research Institute