RECON: TNO occultation with 14SB374

Event between 14SB374 and star GA0760:00286917 with event index number of 2516586

Geocentric closest approach at 2023/03/03 11:15:11 UTC

J2000 position of star is 03:45:37.7 -13:49:57
Equinox of date position of star is 03:46:38.7 -13:45:57
Stellar brightness G=15.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 74 degrees from the moon. Moon is 86% illuminated.
TNO apparent brightness V=22.8

TNO is 39.3 AU from the Sun and 39.6 AU from the Earth.
The TNO is moving 23.1 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 96 seconds.
The 1-sigma cross-track error in the shadow position is 2433 km.

The TNO has an absolute magnitude Hv=6.7
Diameter=224.9 km assuming a 5% albedo -- 11.7 sec chord
Diameter=91.8 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 14SB374, (2023/03/03 11:15UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:39.1 -08:10:36  0.1 22.52  53
Menkar         03:03:29.6 +04:10:45  2.5 20.90  75
26Pi Eri       03:47:14.3 -12:01:49  4.6  1.74  73
PPM 213330     03:45:50.6 -13:23:48  8.5  0.42  74
PPM 213373     03:47:51.7 -13:44:10  9.5  0.28  74
14SB374        03:46:42.6 -13:45:41 15.5        74
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 14SB374, (2023/03/03 11:15UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1 22.52  53
Menkar         03:02:16.8 +04:05:21  2.5 20.90  75
26Pi Eri       03:46:08.6 -12:06:04  4.6  1.74  73
PPM 213330     03:44:45.5 -13:28:05  8.5  0.42  74
PPM 213373     03:46:46.8 -13:48:24  9.5  0.28  74
14SB374        03:45:37.7 -13:49:57 15.5        74
Positions are for J2000

Event circumstances last updated at 2021/10/06 01:15:00 UT

Marc W. Buie, Southwest Research Institute

RECON