RECON: TNO occultation with 13SH102

Event between 13SH102 and star GA0900:00093932 with event index number of 2666867

Geocentric closest approach at 2022/10/10 13:39:34 UTC

J2000 position of star is 01:04:59.0 +01:03:48
Equinox of date position of star is 01:06:06.1 +01:10:46
Stellar brightness G=13.7, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 11 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=23.1

TNO is 38.6 AU from the Sun and 37.6 AU from the Earth.
The TNO is moving 25.3 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 314 seconds.
The 1-sigma cross-track error in the shadow position is 3154 km.

The TNO has an absolute magnitude Hv=7.3
Diameter=169.0 km assuming a 5% albedo -- 8.4 sec chord
Diameter=69.0 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 13SH102, (2022/10/10 13:40UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:54.2 -29:30:04  1.2 43.18  54
68Omi Cet      02:20:29.9 -02:52:31  2.0 19.02  15
26 Cet         01:04:59.4 +01:29:18  6.0  0.42  11
PPM 144250     01:06:48.6 +01:19:21  9.5  0.21  11
13SH102        01:06:09.2 +01:11:06 13.7        11
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 13SH102, (2022/10/10 13:40UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 43.18  54
68Omi Cet      02:19:20.8 -02:58:45  2.0 19.02  15
26 Cet         01:03:49.2 +01:22:00  6.0  0.42  11
PPM 144250     01:05:38.3 +01:12:03  9.5  0.21  11
13SH102        01:04:59.0 +01:03:48 13.7        11
Positions are for J2000

Event circumstances last updated at 2021/10/05 01:13:23 UT

Marc W. Buie, Southwest Research Institute

RECON