RECON: TNO occultation with 532184

Event between (532184) 13OR11 and star GA1120:00484362 with event index number of 2449094

Geocentric closest approach at 2024/11/22 00:28:03 UTC

J2000 position of star is 03:49:41.5 +22:54:49
Equinox of date position of star is 03:51:07.3 +22:59:09
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 78 degrees from the moon. Moon is 60% illuminated.
Apparent brightness V=22.7

Object is 34.8 AU from the Sun and 33.8 AU from the Earth.
Apparent velocity is 24.7 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 87 seconds.
The 1-sigma cross-track error in the shadow position is 1750 km.

The object has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 8.6 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 532184, (2024/11/22 00:30UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:21.1 +16:33:27  0.8 12.62  69
44Zet Per      03:55:42.2 +31:57:20  2.8  9.02  75
PPM 092918     03:49:49.5 +23:29:45  5.5  0.59  78
PPM 092928     03:50:23.1 +22:52:26  8.3  0.21  78
532184         03:51:09.9 +22:59:16 16.8        78
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 532184, (2024/11/22 00:30UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 12.62  69
44Zet Per      03:54:07.9 +31:53:01  2.8  9.02  75
PPM 092918     03:48:20.8 +23:25:15  5.5  0.59  78
PPM 092928     03:48:54.7 +22:47:58  8.3  0.21  78
532184         03:49:41.5 +22:54:49 16.8        78
Positions are for J2000

Event circumstances last updated at 2024/03/02 06:04:08 UT

Marc W. Buie, Southwest Research Institute

RECON