RECON: TNO occultation with 14OE394

Event between 14OE394 and star GA0660:38034381 with event index number of 150377

Geocentric closest approach at 2018/09/03 22:36:14 UTC

J2000 position of star is 19:42:42.9 -22:20:45
Equinox of date position of star is 19:43:48.7 -22:18:04
Stellar brightness G=16.5, use SENSEUP=128
Star is 148 degrees from the moon. Moon is 41% illuminated.
TNO apparent brightness V=21.5

TNO is 45.4 AU from the Sun and 44.7 AU from the Earth.
The TNO is moving 15.2 km/sec on the sky relative to the star, or, 1.7 arcsec/hr.
The 1-sigma error in the time of the event is 930 seconds.
The 1-sigma cross-track error in the shadow position is 5803 km.

The TNO has an absolute magnitude Hv=4.9
Diameter=636.8 km assuming a 5% albedo -- 41.8 sec chord
Diameter=260.0 km assuming a 30% albedo -- 17.1 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 
 
 

Star training set for 14OE394, (2018/09/03 22:36UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:33.3 -26:28:19  0.9 43.95 165
Nunki          18:56:25.3 -26:16:19  2.0 11.50 159
PPM 270116     19:41:14.4 -23:23:06  5.7  1.24 149
PPM 270213     19:45:48.5 -22:29:53  8.3  0.50 148
PPM 270160     19:43:07.5 -22:20:10  8.8  0.17 148
14OE394        19:43:49.5 -22:18:02 16.5       148
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 14OE394, (2018/09/03 22:36UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 43.95 165
Nunki          18:55:15.9 -26:17:49  2.0 11.50 159
PPM 270116     19:40:07.2 -23:25:45  5.7  1.24 149
PPM 270213     19:44:41.8 -22:32:39  8.3  0.50 148
PPM 270160     19:42:00.8 -22:22:52  8.8  0.17 148
14OE394        19:42:42.9 -22:20:45 16.5       148
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:23:14 UT

Marc W. Buie, Southwest Research Institute

RECON