RECON: TNO occultation with 533704

Event between (533704) 14MZ69 and star GA0760:24376532 with event index number of 1611684

Geocentric closest approach at 2020/12/15 05:35:44 UTC

J2000 position of star is 23:16:55.3 -12:35:45
Equinox of date position of star is 23:18:00.8 -12:28:53
Stellar brightness G=13.8, use SENSEUP=64
Star is 74 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.5

TNO is 42.2 AU from the Sun and 42.4 AU from the Earth.
The TNO is moving 10.3 km/sec on the sky relative to the star, or, 1.2 arcsec/hr.
The 1-sigma error in the time of the event is 214 seconds.
The 1-sigma cross-track error in the shadow position is 1962 km.

The TNO has an absolute magnitude Hv=6.1
Diameter=363.1 km assuming a 5% albedo -- 35.3 sec chord
Diameter=148.2 km assuming a 30% albedo -- 14.4 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 533704, (2020/12/15 05:36UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:48.3 -29:30:39  1.2 17.60  64
94 Aqr         23:20:12.8 -13:20:40  5.3  1.02  74
PPM 241432     23:18:50.1 -12:40:48  8.4  0.28  74
PPM 241417     23:18:06.1 -12:27:05  9.6  0.04  74
533704         23:18:00.9 -12:28:52 13.8        74
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 533704, (2020/12/15 05:36UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 17.60  64
94 Aqr         23:19:07.1 -13:27:33  5.3  1.02  74
PPM 241432     23:17:44.6 -12:47:42  8.4  0.28  74
PPM 241417     23:17:00.5 -12:33:58  9.6  0.04  74
533704         23:16:55.3 -12:35:45 13.8        74
Positions are for J2000

Event circumstances last updated at 2020/12/04 01:19:03 UT

Marc W. Buie, Southwest Research Institute

RECON