RECON: TNO occultation with 14GJ65

Event between 14GJ65 and star GA0920:05283026 with event index number of 1554278

Geocentric closest approach at 2020/07/18 03:27:21 UTC

J2000 position of star is 17:35:34.1 +02:41:39
Equinox of date position of star is 17:36:35.7 +02:40:57
Stellar brightness G=16.5, use SENSEUP=128
Star is 154 degrees from the moon. Moon is 8% illuminated.
TNO apparent brightness V=26.1

TNO is 40.3 AU from the Sun and 39.5 AU from the Earth.
The TNO is moving 23.1 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 200 seconds.
The 1-sigma cross-track error in the shadow position is 4922 km.

The TNO has an absolute magnitude Hv=10.0
Diameter=299.2 km assuming a 5% albedo -- 2.6 sec chord
Diameter=122.2 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 14GJ65, (2020/07/18 03:27UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:40.2 -26:28:33  0.9 33.22 165
60Bet Oph      17:44:29.3 +04:33:37  2.8  2.72 152
PPM 164135     17:32:23.3 +02:42:39  6.5  1.05 154
PPM 164355     17:39:59.8 +02:38:54  7.8  0.85 154
PPM 164251     17:36:16.9 +02:27:23  9.8  0.24 155
14GJ65         17:36:36.0 +02:40:56 16.5       154
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 14GJ65, (2020/07/18 03:27UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 33.22 165
60Bet Oph      17:43:28.3 +04:34:06  2.8  2.72 152
PPM 164135     17:31:21.4 +02:43:30  6.5  1.05 154
PPM 164355     17:38:57.9 +02:39:31  7.8  0.85 154
PPM 164251     17:35:14.9 +02:28:07  9.8  0.24 155
14GJ65         17:35:34.1 +02:41:39 16.5       154
Positions are for J2000

Event circumstances last updated at 2020/06/21 05:10:32 UT

Marc W. Buie, Southwest Research Institute

RECON