RECON: TNO occultation with 11FX62

Event between 11FX62 and star GA0560:07140057 with event index number of 261020

Geocentric closest approach at 2020/05/30 19:36:06 UTC

J2000 position of star is 14:26:30.3 -32:23:13
Equinox of date position of star is 14:27:42.7 -32:28:37
Stellar brightness G=16.6, use SENSEUP=128
Star is 60 degrees from the moon. Moon is 58% illuminated.
TNO apparent brightness V=24.1

TNO is 25.5 AU from the Sun and 24.6 AU from the Earth.
The TNO is moving 20.7 km/sec on the sky relative to the star, or, 4.2 arcsec/hr.
The 1-sigma error in the time of the event is 70 seconds.
The 1-sigma cross-track error in the shadow position is 1117 km.

The TNO has an absolute magnitude Hv=10.0
Diameter=221.8 km assuming a 5% albedo -- 2.9 sec chord
Diameter=90.6 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 11FX62, (2020/05/30 19:36UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:16.3 -11:16:02  1.0 25.49  36
5The Cen       14:07:53.5 -36:28:10  2.1  5.71  59
PPM 292770     14:34:22.6 -30:48:15  6.0  2.19  60
PPM 292619     14:26:44.3 -33:03:48  7.6  0.62  60
PPM 292644     14:28:03.6 -32:24:33  9.9  0.10  60
11FX62         14:27:43.5 -32:28:41 16.6        60
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 11FX62, (2020/05/30 19:36UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 25.49  36
5The Cen       14:06:40.1 -36:22:23  2.1  5.71  59
PPM 292770     14:33:09.7 -30:42:55  6.0  2.19  60
PPM 292619     14:25:31.0 -32:58:19  7.6  0.62  60
PPM 292644     14:26:50.4 -32:19:06  9.9  0.10  60
11FX62         14:26:30.3 -32:23:13 16.6        60
Positions are for J2000

Event circumstances last updated at 2020/03/10 21:31:41 UT

Marc W. Buie, Southwest Research Institute

RECON