RECON: TNO occultation with 14JX80

Event between 14JX80 and star GA0920:04689235 with event index number of 256279

Geocentric closest approach at 2018/08/21 15:35:07 UTC

J2000 position of star is 16:58:50.4 +02:47:30
Equinox of date position of star is 16:59:45.9 +02:45:54
Stellar brightness G=13.0, use SENSEUP=32
Star is 32 degrees from the moon. Moon is 80% illuminated.
TNO apparent brightness V=21.9

TNO is 36.0 AU from the Sun and 35.8 AU from the Earth.
The TNO is moving 10.8 km/sec on the sky relative to the star, or, 1.5 arcsec/hr.
The 1-sigma error in the time of the event is 260 seconds.
The 1-sigma cross-track error in the shadow position is 3820 km.

The TNO has an absolute magnitude Hv=6.2
Diameter=343.6 km assuming a 5% albedo -- 31.8 sec chord
Diameter=140.3 km assuming a 30% albedo -- 13.0 sec chord
Dynamical classification is 5:2EEE+5:2EII
 
 
 
 
 
 
 
 

Star training set for 14JX80, (2018/08/21 15:35UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:33.2 -26:28:18  0.9 30.08  27
60Bet Oph      17:44:23.6 +04:33:39  2.8 11.28  27
19 Oph         16:48:06.2 +02:01:56  6.1  3.01  33
PPM 163499     17:06:19.4 +03:24:52  7.7  1.76  31
PPM 163351     17:00:13.9 +02:52:55  9.5  0.16  31
PPM 163341     16:59:56.4 +02:38:36 10.1  0.13  31
14JX80         16:59:46.5 +02:45:53 13.0        31
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 14JX80, (2018/08/21 15:35UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 30.08  27
60Bet Oph      17:43:28.3 +04:34:05  2.8 11.28  27
19 Oph         16:47:09.7 +02:03:52  6.1  3.01  33
PPM 163499     17:05:23.5 +03:26:19  7.7  1.76  31
PPM 163351     16:59:17.8 +02:54:32  9.5  0.16  31
PPM 163341     16:59:00.2 +02:40:14 10.1  0.13  31
14JX80         16:58:50.4 +02:47:30 13.0        31
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:21:07 UT

Marc W. Buie, Southwest Research Institute

RECON