RECON: TNO occultation with 14KS101

Event between 14KS101 and star GA0840:06659203 with event index number of 2501641

Geocentric closest approach at 2024/05/16 18:38:48 UTC

J2000 position of star is 17:54:48.8 -04:00:09
Equinox of date position of star is 17:56:05.2 -04:00:19
Stellar brightness G=15.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 106 degrees from the moon. Moon is 62% illuminated.
Apparent brightness V=22.2

Object is 37.5 AU from the Sun and 36.6 AU from the Earth.
Apparent velocity is 20.9 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 810 seconds.
The 1-sigma cross-track error in the shadow position is 5869 km.

The object has an absolute magnitude Hv=6.4
Diameter=310.5 km assuming a 5% albedo -- 14.8 sec chord
Diameter=126.7 km assuming a 30% albedo -- 6.1 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 14KS101, (2024/05/16 18:39UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.4 -26:29:02  0.9 30.34  90
60Bet Oph      17:44:40.7 +04:33:32  2.8  9.03 102
PPM 201226     17:58:05.0 -04:05:00  5.2  0.50 107
PPM 201187     17:55:33.3 -04:12:54  7.7  0.25 106
PPM 201193     17:56:07.9 -03:52:17  9.3  0.13 106
14KS101        17:56:06.0 -04:00:19 15.4       106
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, (2024/05/16 18:39UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 30.34  90
60Bet Oph      17:43:28.3 +04:34:06  2.8  9.03 102
PPM 201226     17:56:47.8 -04:04:55  5.2  0.50 107
PPM 201187     17:54:16.0 -04:12:43  7.7  0.25 106
PPM 201193     17:54:50.8 -03:52:07  9.3  0.13 106
14KS101        17:54:48.8 -04:00:09 15.4       106
Positions are for J2000

Event circumstances last updated at 2024/02/12 04:22:51 UT

Marc W. Buie, Southwest Research Institute

RECON