RECON: TNO occultation with 579062

Event between (579062) 14KF113 and star GA0940:05429976 with event index number of 2557803

Geocentric closest approach at 2028/08/13 14:20:40 UTC

J2000 position of star is 17:48:08.5 +04:51:39
Equinox of date position of star is 17:49:18.5 +04:51:16
Stellar brightness G=15.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 134 degrees from the moon. Moon is 49% illuminated.
Apparent brightness V=22.5

Object is 35.1 AU from the Sun and 34.6 AU from the Earth.
Apparent velocity is 16.5 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 244 seconds.
The 1-sigma cross-track error in the shadow position is 4784 km.

The object has an absolute magnitude Hv=6.9
Diameter=250.0 km assuming a 5% albedo -- 15.2 sec chord
Diameter=102.1 km assuming a 30% albedo -- 6.2 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 579062, (2028/08/13 14:20UT)
Object            RA         Dec     mag  sep  mel
Vega           18:37:54.4 +38:48:41  0.0 35.69 102
60Bet Oph      17:44:53.3 +04:33:26  2.8  1.20 135
PPM 164771     17:54:37.9 +06:05:51  5.8  1.77 132
PPM 164577     17:48:35.0 +04:25:15  8.3  0.50 134
PPM 164591     17:49:06.0 +04:55:49  9.2  0.14 134
579062         17:49:33.2 +04:51:11 15.4       133
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 579062, (2028/08/13 14:20UT)
Object            RA         Dec     mag  sep  mel
Vega           18:36:56.7 +38:47:07  0.0 35.69 102
60Bet Oph      17:43:28.3 +04:34:06  2.8  1.20 135
PPM 164771     17:53:14.0 +06:06:07  5.8  1.77 132
PPM 164577     17:47:10.0 +04:25:45  8.3  0.50 134
PPM 164591     17:47:41.3 +04:56:18  9.2  0.14 134
579062         17:48:08.5 +04:51:39 15.4       134
Positions are for J2000

Event circumstances last updated at 2023/08/26 02:47:16 UT

Marc W. Buie, Southwest Research Institute

RECON