RECON: TNO occultation with 532184

Event between (532184) 13OR11 and star GA1160:00720440 with event index number of 2671060

Geocentric closest approach at 2029/01/23 17:21:49 UTC

J2000 position of star is 04:14:44.3 +27:01:06
Equinox of date position of star is 04:16:13.5 +27:04:39
Stellar brightness G=14.4, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 22 degrees from the moon. Moon is 59% illuminated.
Apparent brightness V=23.1

Object is 36.7 AU from the Sun and 36.2 AU from the Earth.
Apparent velocity is 11.3 km/sec on the sky relative to the star, or, 1.6 arcsec/hr.
The 1-sigma error in the time of the event is 301 seconds.
The 1-sigma cross-track error in the shadow position is 2361 km.

The object has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 18.7 sec chord
Diameter=85.3 km assuming a 30% albedo -- 7.6 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 532184, (2029/01/23 17:28UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:35.5 +16:33:56  0.8 11.60  27
44Zet Per      03:55:58.0 +31:58:03  2.8  6.62  20
44 Tau         04:12:36.4 +26:33:16  5.4  1.02  21
PPM 093355     04:16:18.8 +26:19:37  8.2  0.76  22
PPM 093320     04:13:44.3 +27:14:29  9.9  0.64  22
PPM 093381     04:18:13.5 +26:52:02 11.0  0.44  23
532184         04:16:31.5 +27:05:22 14.4        23
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, (2029/01/23 17:28UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 11.60  27
44Zet Per      03:54:07.9 +31:53:01  2.8  6.62  20
44 Tau         04:10:49.8 +26:28:51  5.4  1.02  21
PPM 093355     04:14:32.2 +26:15:20  8.2  0.76  22
PPM 093320     04:11:57.1 +27:10:06  9.9  0.64  22
PPM 093381     04:16:26.4 +26:47:50 11.0  0.44  23
532184         04:14:44.3 +27:01:06 14.4        22
Positions are for J2000

Event circumstances last updated at 2024/03/08 03:01:07 UT

Marc W. Buie, Southwest Research Institute

RECON