RECON: TNO occultation with 16AE193

Event between 16AE193 and star UC4-517-048467 with event index number of 184952

Geocentric closest approach at 2019/03/13 00:37:14 UTC

J2000 position of star is 08:54:08.7 +13:13:53
Equinox of date position of star is 08:55:06.1 +13:09:52
Stellar brightness R=16.3, use SENSEUP=128
Star is 67 degrees from the moon. Moon is 35% illuminated.
TNO apparent brightness V=20.6

TNO is 17.3 AU from the Sun and 16.5 AU from the Earth.
The TNO is moving 15.0 km/sec on the sky relative to the star, or, 4.5 arcsec/hr.
The 1-sigma error in the time of the event is 58 seconds.
The 1-sigma cross-track error in the shadow position is 713 km.

The TNO has an absolute magnitude Hv=8.1
Diameter=145.2 km assuming a 5% albedo -- 9.7 sec chord
Diameter=59.3 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 16AE193, (2019/03/13 00:37UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:23.6 +11:52:22  1.3 18.15  85
65Alp Cnc      08:59:32.1 +11:46:56  4.3  1.73  69
PPM 125847     08:53:27.2 +13:09:35  8.4  0.43  67
PPM 125875     08:55:01.3 +13:14:13  9.5  0.09  67
16AE193        08:55:12.1 +13:09:27 16.3        68
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 16AE193, (2019/03/13 00:37UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3 18.15  85
65Alp Cnc      08:58:29.3 +11:51:27  4.3  1.73  69
PPM 125847     08:52:23.8 +13:13:59  8.4  0.43  67
PPM 125875     08:53:57.9 +13:18:39  9.5  0.09  67
16AE193        08:54:08.7 +13:13:53 16.3        67
Positions are for J2000

Event circumstances last updated at 2017/05/20 18:12:08 UT

Marc W. Buie, Southwest Research Institute

RECON