RECON: TNO occultation with 14KX101

Event between 14KX101 and star GA0680:14057350 with event index number of 2502877

Geocentric closest approach at 2023/04/11 23:06:10 UTC

J2000 position of star is 17:35:07.3 -20:20:41
Equinox of date position of star is 17:36:29.5 -20:21:29
Stellar brightness G=14.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 12 degrees from the moon. Moon is 66% illuminated.
Apparent brightness V=22.7

Object is 32.1 AU from the Sun and 31.6 AU from the Earth.
Apparent velocity is 7.6 km/sec on the sky relative to the star, or, 1.2 arcsec/hr.
The 1-sigma error in the time of the event is 1046 seconds.
The 1-sigma cross-track error in the shadow position is 1693 km.

The object has an absolute magnitude Hv=7.5
Diameter=188.8 km assuming a 5% albedo -- 24.7 sec chord
Diameter=77.1 km assuming a 30% albedo -- 10.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 14KX101, (2023/04/11 23:06UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:50.3 -26:28:54  0.9 16.24  23
35Eta Oph      17:11:42.9 -15:45:08  2.6  7.48  19
PPM 267109     17:40:08.9 -21:55:28  6.4  1.78  10
PPM 267057     17:37:46.7 -20:59:25  8.4  0.70  11
PPM 267023     17:36:02.7 -20:18:02  8.8  0.12  12
14KX101        17:36:30.4 -20:21:30 14.9        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 14KX101, (2023/04/11 23:06UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.24  23
35Eta Oph      17:10:22.7 -15:43:29  2.6  7.48  19
PPM 267109     17:38:44.8 -21:54:46  6.4  1.78  10
PPM 267057     17:36:23.2 -20:58:38  8.4  0.70  11
PPM 267023     17:34:39.7 -20:17:12  8.8  0.12  12
14KX101        17:35:07.3 -20:20:41 14.9        12
Positions are for J2000

Event circumstances last updated at 2023/01/08 03:32:01 UT

Marc W. Buie, Southwest Research Institute

RECON