RECON: TNO occultation with 13JV65

Event between 13JV65 and star GA0680:06309343 with event index number of 256079

Geocentric closest approach at 2019/06/10 11:16:59 UTC

J2000 position of star is 15:31:25.6 -21:56:20
Equinox of date position of star is 15:32:33.7 -22:00:14
Stellar brightness G=16.3, use SENSEUP=128
Star is 64 degrees from the moon. Moon is 53% illuminated.
TNO apparent brightness V=22.5

TNO is 41.5 AU from the Sun and 40.6 AU from the Earth.
The TNO is moving 22.4 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 211 seconds.
The 1-sigma cross-track error in the shadow position is 2010 km.

The TNO has an absolute magnitude Hv=6.3
Diameter=325.1 km assuming a 5% albedo -- 14.5 sec chord
Diameter=132.7 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 
 
 

Star training set for 13JV65, (2019/06/10 11:17UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.1 -26:28:25  0.9 13.95  78
7Del Sco       16:01:29.2 -22:40:32  2.3  6.72  71
PPM 264334     15:31:43.9 -20:47:39  6.5  1.23  63
PPM 264360     15:33:18.5 -22:01:54  7.7  0.18  64
PPM 264352     15:32:55.7 -21:53:30  9.6  0.14  64
13JV65         15:32:33.8 -22:00:14 16.3        64
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 13JV65, (2019/06/10 11:17UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 13.95  78
7Del Sco       16:00:20.0 -22:37:18  2.3  6.72  71
PPM 264334     15:30:36.3 -20:43:43  6.5  1.23  63
PPM 264360     15:32:10.3 -21:58:01  7.7  0.18  64
PPM 264352     15:31:47.6 -21:49:36  9.6  0.14  64
13JV65         15:31:25.6 -21:56:20 16.3        64
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:14:50 UT

Marc W. Buie, Southwest Research Institute

RECON