RECON: TNO occultation with 14FB72

Event between 14FB72 and star GA0700:08172225 with event index number of 2473000

Geocentric closest approach at 2024/02/12 07:21:28 UTC

J2000 position of star is 17:08:50.5 -19:51:14
Equinox of date position of star is 17:10:15.4 -19:52:59
Stellar brightness G=15.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 98 degrees from the moon. Moon is 8% illuminated.
Apparent brightness V=22.0

Object is 20.6 AU from the Sun and 21.0 AU from the Earth.
Apparent velocity is 19.7 km/sec on the sky relative to the star, or, 4.7 arcsec/hr.
The 1-sigma error in the time of the event is 60 seconds.
The 1-sigma cross-track error in the shadow position is 782 km.

The object has an absolute magnitude Hv=8.6
Diameter=117.5 km assuming a 5% albedo -- 6.0 sec chord
Diameter=48.0 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 14FB72, (2024/02/12 07:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:53.4 -26:29:00  0.9 11.19 106
35Eta Oph      17:11:45.8 -15:45:11  2.6  4.15  98
PPM 266364     17:06:11.2 -20:31:35  6.5  1.15  99
PPM 232670     17:10:34.3 -19:42:35  8.2  0.19  98
PPM 232652     17:09:42.1 -19:49:48  9.6  0.14  98
14FB72         17:10:16.0 -19:53:00 15.2        98
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 14FB72, (2024/02/12 07:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 11.19 106
35Eta Oph      17:10:22.7 -15:43:29  2.6  4.15  98
PPM 266364     17:04:45.3 -20:29:41  6.5  1.15  99
PPM 232670     17:09:08.9 -19:40:50  8.2  0.19  98
PPM 232652     17:08:16.7 -19:48:02  9.6  0.14  98
14FB72         17:08:50.5 -19:51:14 15.2        98
Positions are for J2000

Event circumstances last updated at 2023/12/16 05:08:43 UT

Marc W. Buie, Southwest Research Institute

RECON