RECON: TNO occultation with 533209

Event between (533209) 14DR143 and star GA0840:04427213 with event index number of 2784687

Geocentric closest approach at 2029/06/01 10:22:45 UTC

J2000 position of star is 13:15:51.9 -04:08:42
Equinox of date position of star is 13:17:07.0 -04:16:20
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 112 degrees from the moon. Moon is 75% illuminated.
Apparent brightness V=22.9

Object is 49.9 AU from the Sun and 49.3 AU from the Earth.
Apparent velocity is 15.0 km/sec on the sky relative to the star, or, 1.5 arcsec/hr.
The 1-sigma error in the time of the event is 574 seconds.
The 1-sigma cross-track error in the shadow position is 5563 km.

The object has an absolute magnitude Hv=5.8
Diameter=407.4 km assuming a 5% albedo -- 27.3 sec chord
Diameter=166.3 km assuming a 30% albedo -- 11.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 533209, (2029/06/01 10:28UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:44.8 -11:18:50  1.0  7.39 107
65 Vir         13:24:50.5 -05:04:39  5.9  2.01 110
PPM 196282     13:14:20.1 -04:03:00  8.4  0.80 113
PPM 196345     13:18:15.4 -04:19:44  9.9  0.22 112
533209         13:17:23.3 -04:17:59 17.0       111
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 533209, (2029/06/01 10:28UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0  7.39 107
65 Vir         13:23:18.9 -04:55:28  5.9  2.01 110
PPM 196282     13:12:48.8 -03:53:41  8.4  0.80 113
PPM 196345     13:16:44.0 -04:10:27  9.9  0.22 112
533209         13:15:51.9 -04:08:42 17.0       112
Positions are for J2000

Event circumstances last updated at 2024/03/08 03:33:28 UT

Marc W. Buie, Southwest Research Institute

RECON