RECON: TNO occultation with 148112

Event between (148112) 99RA216 and star GA0960:00095432 with event index number of 216153

Geocentric closest approach at 2019/10/29 01:06:20 UTC

J2000 position of star is 01:04:09.9 +06:44:41
Equinox of date position of star is 01:05:07.4 +06:50:36
Stellar brightness G=13.1, use SENSEUP=32
Star is 150 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=23.6

TNO is 44.2 AU from the Sun and 43.2 AU from the Earth.
The TNO is moving 24.0 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 415 seconds.
The 1-sigma cross-track error in the shadow position is 4884 km.

The TNO has an absolute magnitude Hv=7.1
Diameter=229.1 km assuming a 5% albedo -- 9.6 sec chord
Diameter=93.5 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 
 
 

Star training set for 148112, (2019/10/29 01:06UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:14:15.6 +15:17:37  2.8 15.07 138
71Eps Psc      01:03:58.5 +07:59:47  4.3  1.18 150
PPM 144219     01:04:49.0 +06:52:15  7.5  0.10 150
148112         01:05:11.7 +06:51:02 13.1       150
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 148112, (2019/10/29 01:06UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:13:14.2 +15:11:01  2.8 15.07 138
71Eps Psc      01:02:56.5 +07:53:25  4.3  1.18 150
PPM 144219     01:03:47.2 +06:45:53  7.5  0.10 150
148112         01:04:09.9 +06:44:41 13.1       150
Positions are for J2000

Event circumstances last updated at 2018/06/12 07:49:14 UT

Marc W. Buie, Southwest Research Institute

RECON