RECON: TNO occultation with 533560

Event between (533560) 14JM80 and star GA0860:05159413 with event index number of 2587009

Geocentric closest approach at 2024/09/15 09:54:37 UTC

J2000 position of star is 16:56:39.7 -03:01:01
Equinox of date position of star is 16:57:51.3 -03:03:05
Stellar brightness G=16.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 66 degrees from the moon. Moon is 90% illuminated.
TNO apparent brightness V=22.6

TNO is 46.8 AU from the Sun and 46.9 AU from the Earth.
The TNO is moving 13.7 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 333 seconds.
The 1-sigma cross-track error in the shadow position is 3294 km.

The TNO has an absolute magnitude Hv=5.8
Diameter=436.5 km assuming a 5% albedo -- 30.6 sec chord
Diameter=178.2 km assuming a 30% albedo -- 12.5 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 
 
 

Star training set for 533560, (2024/09/15 09:55UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:55.6 -26:29:05  0.9 24.31  65
13Zet Oph      16:38:31.3 -10:36:55  2.6  8.97  68
PPM 179990     17:06:48.7 -00:55:27  5.4  3.07  64
PPM 200207     16:58:56.0 -03:03:12  7.8  0.24  65
PPM 200196     16:58:26.4 -03:03:32  8.9  0.12  65
533560         16:57:57.3 -03:03:15 16.4        65
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 533560, (2024/09/15 09:55UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 24.31  65
13Zet Oph      16:37:09.6 -10:34:01  2.6  8.97  68
PPM 179990     17:05:32.2 -00:53:32  5.4  3.07  64
PPM 200207     16:57:38.3 -03:01:01  7.8  0.24  65
PPM 200196     16:57:08.8 -03:01:20  8.9  0.12  65
533560         16:56:39.7 -03:01:01 16.4        66
Positions are for J2000

Event circumstances last updated at 2022/10/22 04:07:19 UT

Marc W. Buie, Southwest Research Institute

RECON