RECON: TNO occultation with 533559

Event between (533559) 14JG80 and star GA0700:23005494 with event index number of 2762426

Geocentric closest approach at 2029/05/14 05:33:48 UTC

J2000 position of star is 17:59:08.1 -19:21:17
Equinox of date position of star is 18:00:29.5 -19:21:17
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 151 degrees from the moon. Moon is 0% illuminated.
Apparent brightness V=22.2

Object is 26.2 AU from the Sun and 25.3 AU from the Earth.
Apparent velocity is 19.3 km/sec on the sky relative to the star, or, 3.8 arcsec/hr.
The 1-sigma error in the time of the event is 221 seconds.
The 1-sigma cross-track error in the shadow position is 2909 km.

The object has an absolute magnitude Hv=7.9
Diameter=157.8 km assuming a 5% albedo -- 8.3 sec chord
Diameter=64.4 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 533559, (2029/05/14 05:36UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.8 -26:29:40  0.9 21.81 171
35Eta Oph      17:12:03.9 -15:45:33  2.6 12.17 160
PPM 233754     17:57:38.7 -18:48:16  6.5  0.94 151
PPM 233884     18:02:08.7 -19:13:48  7.9  0.33 150
PPM 233825     17:59:55.0 -19:16:22  9.1  0.24 151
533559         18:00:52.2 -19:21:17 16.5       150
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 533559, (2029/05/14 05:36UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.81 171
35Eta Oph      17:10:22.7 -15:43:29  2.6 12.17 160
PPM 233754     17:55:55.0 -18:48:08  6.5  0.94 151
PPM 233884     18:00:24.7 -19:13:51  7.9  0.33 150
PPM 233825     17:58:11.0 -19:16:20  9.1  0.24 151
533559         17:59:08.1 -19:21:17 16.5       150
Positions are for J2000

Event circumstances last updated at 2022/12/13 21:30:54 UT

Marc W. Buie, Southwest Research Institute

RECON