RECON: TNO occultation with 11UQ62

Event between 11UQ62 and star GA1120:00867384 with event index number of 236002

Geocentric closest approach at 2019/08/09 01:20:46 UTC

J2000 position of star is 04:57:06.2 +22:45:24
Equinox of date position of star is 04:58:12.9 +22:47:04
Stellar brightness G=16.3, use SENSEUP=128
Star is 167 degrees from the moon. Moon is 64% illuminated.
TNO apparent brightness V=21.7

TNO is 15.6 AU from the Sun and 16.1 AU from the Earth.
The TNO is moving 23.4 km/sec on the sky relative to the star, or, 7.2 arcsec/hr.
The 1-sigma error in the time of the event is 163 seconds.
The 1-sigma cross-track error in the shadow position is 823 km.

The TNO has an absolute magnitude Hv=9.4
Diameter=78.0 km assuming a 5% albedo -- 3.3 sec chord
Diameter=31.8 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 11UQ62, (2019/08/09 01:21UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:02.9 +16:32:50  0.8  7.99 173
Alnath         05:27:32.0 +28:37:20  1.6  8.80 158
102Iot Tau     05:04:16.2 +21:36:59  4.6  1.81 166
PPM 093901     04:57:17.4 +22:36:21  8.5  0.29 167
11UQ62         04:58:17.1 +22:47:10 16.3       166
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 11UQ62, (2019/08/09 01:21UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  7.99 173
Alnath         05:26:17.5 +28:36:23  1.6  8.80 158
102Iot Tau     05:03:05.8 +21:35:23  4.6  1.81 166
PPM 093901     04:56:06.7 +22:34:34  8.5  0.29 167
11UQ62         04:57:06.2 +22:45:24 16.3       167
Positions are for J2000

Event circumstances last updated at 2018/06/12 02:26:41 UT

Marc W. Buie, Southwest Research Institute

RECON