RECON: TNO occultation with 14KX101

Event between 14KX101 and star GA0700:07933266 with event index number of 1050887

Geocentric closest approach at 2020/02/14 03:29:15 UTC

J2000 position of star is 17:06:18.1 -19:39:32
Equinox of date position of star is 17:07:26.9 -19:41:02
Stellar brightness G=15.4, use SENSEUP=128
Star is 46 degrees from the moon. Moon is 70% illuminated.
TNO apparent brightness V=22.8

TNO is 31.6 AU from the Sun and 31.9 AU from the Earth.
The TNO is moving 17.8 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 222 seconds.
The 1-sigma cross-track error in the shadow position is 1385 km.

The TNO has an absolute magnitude Hv=7.6
Diameter=185.4 km assuming a 5% albedo -- 10.4 sec chord
Diameter=75.7 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 14KX101, (2020/02/14 03:29UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:38.7 -26:28:30  0.9 10.85  39
35Eta Oph      17:11:32.0 -15:44:54  2.6  4.05  46
PPM 266364     17:05:57.0 -20:31:17  6.5  0.91  45
PPM 266381     17:06:27.5 -20:13:04  8.3  0.59  45
PPM 232612     17:07:43.6 -19:44:43  9.0  0.08  46
14KX101        17:07:29.4 -19:41:05 15.4        46
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 14KX101, (2020/02/14 03:29UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 10.85  39
35Eta Oph      17:10:22.7 -15:43:29  2.6  4.05  46
PPM 266364     17:04:45.3 -20:29:41  6.5  0.91  45
PPM 266381     17:05:16.0 -20:11:30  8.3  0.59  45
PPM 232612     17:06:32.3 -19:43:11  9.0  0.08  46
14KX101        17:06:18.1 -19:39:32 15.4        46
Positions are for J2000

Event circumstances last updated at 2019/06/07 23:16:14 UT

Marc W. Buie, Southwest Research Institute

RECON