RECON: TNO occultation with 14KS101

Event between 14KS101 and star GA0840:06313591 with event index number of 2501568

Geocentric closest approach at 2023/06/21 01:46:12 UTC

J2000 position of star is 17:45:35.4 -04:16:19
Equinox of date position of star is 17:46:49.3 -04:16:47
Stellar brightness G=15.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 137 degrees from the moon. Moon is 8% illuminated.
Apparent brightness V=22.1

Object is 37.5 AU from the Sun and 36.5 AU from the Earth.
Apparent velocity is 24.6 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 552 seconds.
The 1-sigma cross-track error in the shadow position is 4168 km.

The object has an absolute magnitude Hv=6.4
Diameter=310.5 km assuming a 5% albedo -- 12.6 sec chord
Diameter=126.7 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 14KS101, (2023/06/21 01:46UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.0 -26:28:55  0.9 28.69 128
60Bet Oph      17:44:38.0 +04:33:33  2.8  8.86 132
PPM 201153     17:53:54.2 -06:08:51  5.9  2.57 140
PPM 200977     17:44:58.4 -03:55:42  7.8  0.58 137
PPM 201028     17:47:47.3 -04:29:15  9.4  0.32 138
14KS101        17:46:49.9 -04:16:47 15.0       138
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 14KS101, (2023/06/21 01:46UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 28.69 128
60Bet Oph      17:43:28.3 +04:34:06  2.8  8.86 132
PPM 201153     17:52:38.7 -06:08:37  5.9  2.57 140
PPM 200977     17:43:44.1 -03:55:10  7.8  0.58 137
PPM 201028     17:46:32.6 -04:28:48  9.4  0.32 138
14KS101        17:45:35.4 -04:16:19 15.0       137
Positions are for J2000

Event circumstances last updated at 2023/04/19 02:38:51 UT

Marc W. Buie, Southwest Research Institute

RECON