RECON: TNO occultation with 11JA32

Event between 11JA32 and star GA0700:33011388 with event index number of 252226

Geocentric closest approach at 2020/03/29 02:24:48 UTC

J2000 position of star is 19:23:41.6 -19:28:43
Equinox of date position of star is 19:24:46.4 -19:26:30
Stellar brightness G=15.1, use SENSEUP=128
Star is 131 degrees from the moon. Moon is 19% illuminated.
TNO apparent brightness V=26.2

TNO is 42.4 AU from the Sun and 42.6 AU from the Earth.
The TNO is moving 11.1 km/sec on the sky relative to the star, or, 1.3 arcsec/hr.
The 1-sigma error in the time of the event is 3174 seconds.
The 1-sigma cross-track error in the shadow position is 4967 km.

The TNO has an absolute magnitude Hv=9.8
Diameter=67.6 km assuming a 5% albedo -- 6.1 sec chord
Diameter=27.6 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 
 
 

Star training set for 11JA32, (2020/03/29 02:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:39.1 -26:28:31  0.9 40.53 168
Nunki          18:56:31.1 -26:16:11  2.0  9.45 138
45Rho2Sgr      19:23:01.6 -18:16:09  5.8  1.25 131
PPM 235921     19:24:15.0 -18:56:38  8.1  0.52 131
PPM 235927     19:24:35.3 -19:37:02  8.6  0.19 131
11JA32         19:24:52.7 -19:26:17 15.1       130
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 11JA32, (2020/03/29 02:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 40.53 168
Nunki          18:55:15.9 -26:17:49  2.0  9.45 138
45Rho2Sgr      19:21:51.0 -18:18:32  5.8  1.25 131
PPM 235921     19:23:04.1 -18:59:03  8.1  0.52 131
PPM 235927     19:23:24.1 -19:39:27  8.6  0.19 131
11JA32         19:23:41.6 -19:28:43 15.1       131
Positions are for J2000

Event circumstances last updated at 2018/06/12 19:57:36 UT

Marc W. Buie, Southwest Research Institute

RECON