RECON: TNO occultation with 533562

Event between (533562) 14JQ80 and star GA0700:12326158 with event index number of 2775451

Geocentric closest approach at 2029/06/05 21:56:41 UTC

J2000 position of star is 17:31:02.8 -19:31:42
Equinox of date position of star is 17:32:21.4 -19:32:37
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 102 degrees from the moon. Moon is 33% illuminated.
TNO apparent brightness V=22.6

TNO is 33.5 AU from the Sun and 32.5 AU from the Earth.
The TNO is moving 23.6 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 272 seconds.
The 1-sigma cross-track error in the shadow position is 1742 km.

The TNO has an absolute magnitude Hv=7.4
Diameter=203.2 km assuming a 5% albedo -- 8.6 sec chord
Diameter=83.0 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 533562, (2029/06/05 21:57UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.0 -26:29:41  0.9 15.76 116
35Eta Oph      17:12:04.1 -15:45:33  2.6  6.22 107
PPM 233026     17:26:20.6 -18:28:13  6.4  1.87 104
PPM 233265     17:36:16.7 -18:14:18  7.4  1.55 101
PPM 233166     17:32:23.1 -19:34:40  9.1  0.10 102
533562         17:32:47.1 -19:32:54 16.7       102
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, (2029/06/05 21:57UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 15.76 116
35Eta Oph      17:10:22.7 -15:43:29  2.6  6.22 107
PPM 233026     17:24:37.1 -18:26:45  6.4  1.87 104
PPM 233265     17:34:33.4 -18:13:15  7.4  1.55 101
PPM 233166     17:30:38.8 -19:33:27  9.1  0.10 102
533562         17:31:02.8 -19:31:42 16.7       102
Positions are for J2000

Event circumstances last updated at 2022/03/06 02:51:09 UT

Marc W. Buie, Southwest Research Institute

RECON