Event between (523686) 14DB143 and star UC4-423-070560 with event index number of 308203
Geocentric closest approach at 2019/08/07 15:37:24 UTC
J2000 position of star is 17:04:01.6 -05:33:34
Equinox of date position of star is 17:05:01.9 -05:35:04
Stellar brightness R=16.3,
use SENSEUP=128
Star is 33 degrees from the moon.
Moon is 49% illuminated.
TNO apparent brightness V=22.2
TNO is 19.5 AU from the Sun
and 19.0 AU from the Earth.
The TNO is moving 10.0
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 77 seconds.
The 1-sigma cross-track error in the shadow position is
701 km.
The TNO has an absolute magnitude Hv=9.1
Diameter=91.2 km assuming a 5% albedo -- 9.1 sec chord
Diameter=37.2 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is CENTAURR
Star training set for 523686, (2019/08/07 15:37UT) Object RA Dec mag sep mel Antares 16:30:36.7 -26:28:26 0.9 22.45 27 13Zet Oph 16:38:14.4 -10:36:19 2.6 8.32 26 23 Oph 16:55:38.6 -06:11:04 5.3 2.42 31 PPM 200318 17:06:04.8 -05:05:54 8.0 0.55 34 PPM 200316 17:05:58.7 -05:37:26 9.3 0.23 34 523686 17:05:04.4 -05:35:08 16.3 34 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 523686, (2019/08/07 15:37UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 22.45 27 13Zet Oph 16:37:09.6 -10:34:01 2.6 8.32 26 23 Oph 16:54:35.6 -06:09:15 5.3 2.42 31 PPM 200318 17:05:02.2 -05:04:21 8.0 0.55 34 PPM 200316 17:04:55.9 -05:35:54 9.3 0.23 34 523686 17:04:01.6 -05:33:34 16.3 33 Positions are for J2000
Event circumstances last updated at 2018/10/24 21:50:10 UT
Marc W. Buie, Southwest Research Institute