RECON: TNO occultation with 14JV80

Event between 14JV80 and star GA0720:15287317 with event index number of 1044753

Geocentric closest approach at 2019/06/08 18:04:55 UTC

J2000 position of star is 17:48:21.2 -17:53:46
Equinox of date position of star is 17:49:28.2 -17:54:04
Stellar brightness G=10.6, use SENSEUP=4
Star is 119 degrees from the moon. Moon is 33% illuminated.
TNO apparent brightness V=22.2

TNO is 28.9 AU from the Sun and 27.9 AU from the Earth.
The TNO is moving 22.4 km/sec on the sky relative to the star, or, 4.0 arcsec/hr.
The 1-sigma error in the time of the event is 801 seconds.
The 1-sigma cross-track error in the shadow position is 5064 km.

The TNO has an absolute magnitude Hv=7.6
Diameter=185.4 km assuming a 5% albedo -- 8.3 sec chord
Diameter=75.7 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 14JV80, (2019/06/08 18:05UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.1 -26:28:25  0.9 20.14 102
35Eta Oph      17:11:29.7 -15:44:52  2.6  9.34 110
PPM 233754     17:57:03.6 -18:48:14  6.5  2.01 121
PPM 233593     17:48:35.3 -18:06:46  7.7  0.30 119
14JV80         17:49:29.3 -17:54:04 10.6       119
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 14JV80, (2019/06/08 18:05UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 20.14 102
35Eta Oph      17:10:22.7 -15:43:29  2.6  9.34 110
PPM 233754     17:55:55.0 -18:48:08  6.5  2.01 121
PPM 233593     17:47:27.1 -18:06:25  7.7  0.30 119
14JV80         17:48:21.2 -17:53:46 10.6       119
Positions are for J2000

Event circumstances last updated at 2019/02/12 08:26:48 UT

Marc W. Buie, Southwest Research Institute

RECON