RECON: TNO occultation with 13AZ60

Event between 13AZ60 and star GA0560:07403758 with event index number of 251270

Geocentric closest approach at 2020/03/30 13:17:34 UTC

J2000 position of star is 14:53:12.0 -32:17:18
Equinox of date position of star is 14:54:19.4 -32:21:47
Stellar brightness G=16.9, use SENSEUP=128
Star is 148 degrees from the moon. Moon is 31% illuminated.
TNO apparent brightness V=21.8

TNO is 13.6 AU from the Sun and 12.9 AU from the Earth.
The TNO is moving 15.5 km/sec on the sky relative to the star, or, 6.0 arcsec/hr.
The 1-sigma error in the time of the event is 141 seconds.
The 1-sigma cross-track error in the shadow position is 1685 km.

The TNO has an absolute magnitude Hv=10.3
Diameter=53.5 km assuming a 5% albedo -- 3.5 sec chord
Diameter=21.8 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 13AZ60, (2020/03/30 13:18UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:39.1 -26:28:31  0.9 21.71 170
5The Cen       14:07:52.9 -36:28:06  2.1 10.43 138
PPM 293249     14:57:45.3 -32:43:04  6.1  0.78 149
PPM 293140     14:52:31.5 -32:28:07  8.4  0.41 148
PPM 293177     14:54:12.5 -32:22:02  9.4  0.05 148
13AZ60         14:54:26.0 -32:22:13 16.9       148
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 13AZ60, (2020/03/30 13:18UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.71 170
5The Cen       14:06:40.2 -36:22:22  2.1 10.43 138
PPM 293249     14:56:30.9 -32:38:13  6.1  0.78 149
PPM 293140     14:51:17.5 -32:23:10  8.4  0.41 148
PPM 293177     14:52:58.5 -32:17:07  9.4  0.05 148
13AZ60         14:53:12.0 -32:17:18 16.9       148
Positions are for J2000

Event circumstances last updated at 2018/06/12 19:57:53 UT

Marc W. Buie, Southwest Research Institute

RECON