RECON: TNO occultation with 06UX184

Event between 06UX184 and star GA1320:01584426 with event index number of 243671

Geocentric closest approach at 2020/01/24 17:32:49 UTC

J2000 position of star is 04:03:54.6 +43:01:11
Equinox of date position of star is 04:05:15.6 +43:04:18
Stellar brightness G=17.1, use SENSEUP=128
Star is 123 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.1

TNO is 20.7 AU from the Sun and 20.1 AU from the Earth.
The TNO is moving 11.5 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 174 seconds.
The 1-sigma cross-track error in the shadow position is 1993 km.

The TNO has an absolute magnitude Hv=8.8
Diameter=105.7 km assuming a 5% albedo -- 9.2 sec chord
Diameter=43.1 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 06UX184, (2020/01/24 17:33UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:04.5 +16:32:53  0.8 27.37 127
Mirphak        03:25:45.9 +49:55:52  1.8  9.64 117
PPM 046963     04:19:31.8 +42:11:19  6.1  2.76 126
PPM 046765     04:05:38.1 +43:05:32  8.5  0.06 123
06UX184        04:05:18.3 +43:04:25 17.1       124
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 06UX184, (2020/01/24 17:33UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 27.37 127
Mirphak        03:24:19.4 +49:51:40  1.8  9.64 117
PPM 046963     04:18:08.2 +42:08:27  6.1  2.76 126
PPM 046765     04:04:14.4 +43:02:18  8.5  0.06 123
06UX184        04:03:54.6 +43:01:11 17.1       123
Positions are for J2000

Event circumstances last updated at 2019/06/07 23:12:19 UT

Marc W. Buie, Southwest Research Institute

RECON