RECON: TNO occultation with 14LM28

Event between 14LM28 and star GA1160:03883437 with event index number of 265679

Geocentric closest approach at 2019/10/16 19:08:09 UTC

J2000 position of star is 16:59:57.3 +27:56:12
Equinox of date position of star is 17:00:42.0 +27:54:36
Stellar brightness G=13.5, use SENSEUP=32
Star is 132 degrees from the moon. Moon is 92% illuminated.
TNO apparent brightness V=22.3

TNO is 17.0 AU from the Sun and 17.4 AU from the Earth.
The TNO is moving 22.9 km/sec on the sky relative to the star, or, 6.5 arcsec/hr.
The 1-sigma error in the time of the event is 60 seconds.
The 1-sigma cross-track error in the shadow position is 3181 km.

The TNO has an absolute magnitude Hv=9.6
Diameter=72.4 km assuming a 5% albedo -- 3.2 sec chord
Diameter=29.6 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 14LM28, (2019/10/16 19:08UT)
Object            RA         Dec     mag  sep  mel
Vega           18:37:36.5 +38:48:11  0.0 22.87 111
27Bet Her      16:31:04.3 +21:26:52  2.8  9.33 141
PPM 105388     16:58:31.6 +24:21:06  6.3  3.59 135
PPM 105421     17:00:40.5 +27:17:15  8.3  0.62 133
PPM 105404     16:59:34.4 +27:36:57  9.3  0.39 132
PPM 105444     17:01:55.5 +27:50:20 10.7  0.27 132
14LM28         17:00:44.6 +27:54:30 13.5       132
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 14LM28, (2019/10/16 19:08UT)
Object            RA         Dec     mag  sep  mel
Vega           18:36:56.7 +38:47:07  0.0 22.87 111
27Bet Her      16:30:13.1 +21:29:22  2.8  9.33 141
PPM 105388     16:57:42.3 +24:22:52  6.3  3.59 135
PPM 105421     16:59:52.8 +27:18:57  8.3  0.62 133
PPM 105404     16:58:46.9 +27:38:41  9.3  0.39 132
PPM 105444     17:01:08.2 +27:52:00 10.7  0.27 132
14LM28         16:59:57.3 +27:56:12 13.5       132
Positions are for J2000

Event circumstances last updated at 2018/09/19 17:58:33 UT

Marc W. Buie, Southwest Research Institute

RECON