RECON: TNO occultation with 533562

Event between (533562) 14JQ80 and star GA0700:13647100 with event index number of 2741404

Geocentric closest approach at 2029/04/15 00:05:56 UTC

J2000 position of star is 17:35:05.4 -19:35:32
Equinox of date position of star is 17:36:24.0 -19:36:19
Stellar brightness G=16.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 133 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=22.8

TNO is 33.4 AU from the Sun and 32.9 AU from the Earth.
The TNO is moving 9.4 km/sec on the sky relative to the star, or, 1.4 arcsec/hr.
The 1-sigma error in the time of the event is 640 seconds.
The 1-sigma cross-track error in the shadow position is 3326 km.

The TNO has an absolute magnitude Hv=7.4
Diameter=203.2 km assuming a 5% albedo -- 21.5 sec chord
Diameter=83.0 km assuming a 30% albedo -- 8.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 533562, (2029/04/15 00:06UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.5 -26:29:39  0.9 16.57 148
35Eta Oph      17:12:03.6 -15:45:33  2.6  7.04 138
PPM 267109     17:40:30.6 -21:55:38  6.4  2.47 132
PPM 233364     17:39:52.8 -19:59:22  8.5  0.81 132
PPM 233312     17:38:03.0 -19:33:04  9.8  0.29 132
533562         17:36:49.3 -19:36:33 16.4       132
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 533562, (2029/04/15 00:06UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.57 148
35Eta Oph      17:10:22.7 -15:43:29  2.6  7.04 138
PPM 267109     17:38:44.8 -21:54:46  6.4  2.47 132
PPM 233364     17:38:08.6 -19:58:28  8.5  0.81 132
PPM 233312     17:36:19.1 -19:32:06  9.8  0.29 132
533562         17:35:05.4 -19:35:32 16.4       133
Positions are for J2000

Event circumstances last updated at 2022/02/27 01:29:35 UT

Marc W. Buie, Southwest Research Institute

RECON