RECON: TNO occultation with 534405

Event between (534405) 14TW85 and star GA1080:00429515 with event index number of 2244621

Geocentric closest approach at 2024/11/06 16:53:02 UTC

J2000 position of star is 03:47:54.5 +19:14:41
Equinox of date position of star is 03:49:18.4 +19:19:04
Stellar brightness G=16.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 135 degrees from the moon. Moon is 24% illuminated.
Apparent brightness V=22.4

Object is 42.7 AU from the Sun and 41.7 AU from the Earth.
Apparent velocity is 24.6 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 97 seconds.
The 1-sigma cross-track error in the shadow position is 1596 km.

The object has an absolute magnitude Hv=6.1
Diameter=361.4 km assuming a 5% albedo -- 15.0 sec chord
Diameter=147.5 km assuming a 30% albedo -- 6.1 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 
 
 

Star training set for 534405, (2024/11/06 16:57UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:21.0 +16:33:26  0.8 11.74 145
44Zet Per      03:55:42.0 +31:57:19  2.8 12.72 139
13 Tau         03:43:45.2 +19:46:41  5.7  1.39 134
PPM 119423     03:53:44.7 +18:59:25  8.5  1.09 136
PPM 119372     03:49:41.9 +19:22:19  9.5  0.10 135
534405         03:49:20.7 +19:19:11 16.0       135
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 534405, (2024/11/06 16:57UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 11.74 145
44Zet Per      03:54:07.9 +31:53:01  2.8 12.72 139
13 Tau         03:42:18.9 +19:42:01  5.7  1.39 134
PPM 119423     03:52:18.6 +18:55:03  8.5  1.09 136
PPM 119372     03:48:15.7 +19:17:50  9.5  0.10 135
534405         03:47:54.5 +19:14:41 16.0       135
Positions are for J2000

Event circumstances last updated at 2024/03/02 06:03:29 UT

Marc W. Buie, Southwest Research Institute

RECON