RECON: TNO occultation with 119951

Event between (119951) 02KX14 and star UC4-334-096022 with event index number of 196801

Geocentric closest approach at 2019/07/02 15:56:20 UTC

J2000 position of star is 17:14:29.2 -23:12:48
Equinox of date position of star is 17:15:32.8 -23:13:56
Stellar brightness R=15.5, use SENSEUP=128
Star is 161 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=20.6

TNO is 39.0 AU from the Sun and 38.1 AU from the Earth.
The TNO is moving 22.7 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 77 seconds.
The 1-sigma cross-track error in the shadow position is 1384 km.

The TNO has an absolute magnitude Hv=4.7
Diameter=691.9 km assuming a 5% albedo -- 30.5 sec chord
Diameter=282.4 km assuming a 30% albedo -- 12.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 
 
 

Star training set for 119951, (2019/07/02 15:56UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.4 -26:28:25  0.9 10.72 151
35Eta Oph      17:11:29.9 -15:44:52  2.6  7.55 158
PPM 266746     17:22:53.4 -24:55:27  6.5  2.36 163
PPM 266547     17:13:34.2 -22:56:51  8.2  0.56 160
PPM 266597     17:15:43.2 -23:27:10  9.7  0.22 161
119951         17:15:40.1 -23:14:04 15.5       161
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 119951, (2019/07/02 15:56UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 10.72 151
35Eta Oph      17:10:22.7 -15:43:29  2.6  7.55 158
PPM 266746     17:21:41.5 -24:54:23  6.5  2.36 163
PPM 266547     17:12:23.4 -22:55:31  8.2  0.56 160
PPM 266597     17:14:32.1 -23:25:54  9.7  0.22 161
119951         17:14:29.2 -23:12:48 15.5       161
Positions are for J2000

Event circumstances last updated at 2017/07/01 17:50:38 UT

Marc W. Buie, Southwest Research Institute

RECON