RECON: TNO occultation with 14JE80

Event between 14JE80 and star GA0700:33152864 with event index number of 2487425

Geocentric closest approach at 2023/07/17 16:20:33 UTC

J2000 position of star is 19:27:26.1 -18:47:47
Equinox of date position of star is 19:28:47.6 -18:44:52
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 171 degrees from the moon. Moon is 0% illuminated.
Apparent brightness V=22.4

Object is 18.9 AU from the Sun and 17.9 AU from the Earth.
Apparent velocity is 21.7 km/sec on the sky relative to the star, or, 6.0 arcsec/hr.
The 1-sigma error in the time of the event is 297 seconds.
The 1-sigma cross-track error in the shadow position is 3425 km.

The object has an absolute magnitude Hv=9.7
Diameter=70.1 km assuming a 5% albedo -- 3.2 sec chord
Diameter=28.6 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 14JE80, (2023/07/17 16:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.3 -26:28:56  0.9 41.58 136
Nunki          18:56:43.4 -26:15:55  2.0 10.55 168
45Rho2Sgr      19:23:13.2 -18:15:46  5.8  1.41 170
PPM 236013     19:29:02.2 -18:18:06  7.7  0.45 171
PPM 236016     19:29:09.7 -18:43:05  8.6  0.09 171
14JE80         19:28:48.4 -18:44:50 17.0       171
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 14JE80, (2023/07/17 16:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 41.58 136
Nunki          18:55:15.9 -26:17:49  2.0 10.55 168
45Rho2Sgr      19:21:51.1 -18:18:33  5.8  1.41 170
PPM 236013     19:27:40.1 -18:21:04  7.7  0.45 171
PPM 236016     19:27:47.4 -18:46:02  8.6  0.09 171
14JE80         19:27:26.1 -18:47:47 17.0       171
Positions are for J2000

Event circumstances last updated at 2023/04/19 02:41:45 UT

Marc W. Buie, Southwest Research Institute

RECON