RECON: TNO occultation with 06JV58

Event between 06JV58 and star GA0660:08545374 with event index number of 1935770

Geocentric closest approach at 2022/08/24 11:44:40 UTC

J2000 position of star is 16:56:57.2 -22:21:02
Equinox of date position of star is 16:58:17.2 -22:23:02
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 136 degrees from the moon. Moon is 8% illuminated.
TNO apparent brightness V=23.0

TNO is 42.4 AU from the Sun and 42.1 AU from the Earth.
The TNO is moving 2.3 km/sec on the sky relative to the star, or, 0.3 arcsec/hr.
The 1-sigma error in the time of the event is 8236 seconds.
The 1-sigma cross-track error in the shadow position is 4862 km.

The TNO has an absolute magnitude Hv=6.6
Diameter=291.1 km assuming a 5% albedo -- 126.5 sec chord
Diameter=118.8 km assuming a 30% albedo -- 51.7 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 
 
 

Star training set for 06JV58, (2022/08/24 11:45UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:48.0 -26:28:49  0.9  7.48 131
35Eta Oph      17:11:40.7 -15:45:05  2.6  7.35 137
PPM 266088     16:54:45.6 -20:27:05  5.7  2.10 135
PPM 266170     16:58:06.6 -21:49:50  8.4  0.56 136
PPM 266177     16:58:21.5 -22:36:38  9.2  0.23 136
06JV58         16:58:18.8 -22:23:04 17.0       136
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 06JV58, (2022/08/24 11:45UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  7.48 131
35Eta Oph      17:10:22.7 -15:43:29  2.6  7.35 137
PPM 266088     16:53:25.2 -20:24:57  5.7  2.10 135
PPM 266170     16:56:45.3 -21:47:48  8.4  0.56 136
PPM 266177     16:56:59.8 -22:34:36  9.2  0.23 136
06JV58         16:56:57.2 -22:21:02 17.0       136
Positions are for J2000

Event circumstances last updated at 2022/03/13 02:15:57 UT

Marc W. Buie, Southwest Research Institute

RECON