RECON: TNO occultation with 532184

Event between (532184) 13OR11 and star GA1140:00603505 with event index number of 2449163

Geocentric closest approach at 2026/12/02 13:53:10 UTC

J2000 position of star is 04:04:00.4 +25:07:34
Equinox of date position of star is 04:05:28.0 +25:11:28
Stellar brightness G=12.8, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 113 degrees from the moon. Moon is 36% illuminated.
Apparent brightness V=22.8

Object is 35.7 AU from the Sun and 34.7 AU from the Earth.
Apparent velocity is 24.6 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 111 seconds.
The 1-sigma cross-track error in the shadow position is 2022 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, (2026/12/02 13:55UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:28.1 +16:33:41  0.8 11.39 106
44Zet Per      03:55:49.9 +31:57:41  2.8  7.10 114
36 Tau         04:05:58.6 +24:10:41  6.1  1.02 113
PPM 093184     04:04:19.9 +25:59:39  8.5  0.85 113
PPM 093194     04:05:14.7 +25:01:06  9.3  0.20 113
532184         04:05:38.0 +25:11:54 12.8       113
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, (2026/12/02 13:55UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 11.39 106
44Zet Per      03:54:07.9 +31:53:01  2.8  7.10 114
36 Tau         04:04:21.7 +24:06:21  6.1  1.02 113
PPM 093184     04:02:41.8 +25:55:17  8.5  0.85 113
PPM 093194     04:03:37.3 +24:56:45  9.3  0.20 113
532184         04:04:00.4 +25:07:34 12.8       113
Positions are for J2000

Event circumstances last updated at 2024/03/05 04:53:05 UT

Marc W. Buie, Southwest Research Institute

RECON