RECON: TNO occultation with 14NX65

Event between 14NX65 and star GA0780:00031766 with event index number of 219344

Geocentric closest approach at 2019/09/23 00:43:54 UTC

J2000 position of star is 00:23:07.1 -10:32:12
Equinox of date position of star is 00:24:06.4 -10:25:44
Stellar brightness G=15.2, use SENSEUP=128
Star is 100 degrees from the moon. Moon is 40% illuminated.
TNO apparent brightness V=22.3

TNO is 18.9 AU from the Sun and 17.9 AU from the Earth.
The TNO is moving 22.3 km/sec on the sky relative to the star, or, 6.2 arcsec/hr.
The 1-sigma error in the time of the event is 64 seconds.
The 1-sigma cross-track error in the shadow position is 994 km.

The TNO has an absolute magnitude Hv=9.6
Diameter=71.8 km assuming a 5% albedo -- 3.2 sec chord
Diameter=29.3 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 14NX65, (2019/09/23 00:44UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:44.2 -29:31:02  1.2 27.59 124
Diphda         00:44:34.7 -17:52:43  2.0  8.95  98
9 Cet          00:23:52.4 -12:06:00  6.4  1.67 100
PPM 182183     00:23:43.4 -09:30:49  8.5  0.92 100
PPM 208707     00:23:48.8 -10:27:58  9.8  0.08 100
14NX65         00:24:07.3 -10:25:39 15.2       100
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 14NX65, (2019/09/23 00:44UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 27.59 124
Diphda         00:43:35.7 -17:59:11  2.0  8.95  98
9 Cet          00:22:52.3 -12:12:33  6.4  1.67 100
PPM 182183     00:22:43.2 -09:37:22  8.5  0.92 100
PPM 208707     00:22:48.7 -10:34:31  9.8  0.08 100
14NX65         00:23:07.1 -10:32:12 15.2       100
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:40:52 UT

Marc W. Buie, Southwest Research Institute

RECON