RECON: TNO occultation with 03UV291

Event between 03UV291 and star GA1080:00384457 with event index number of 1006254

Geocentric closest approach at 2019/08/30 06:01:45 UTC

J2000 position of star is 03:31:12.1 +18:45:51
Equinox of date position of star is 03:32:18.9 +18:49:45
Stellar brightness G=16.5, use SENSEUP=128
Star is 99 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=24.0

TNO is 44.7 AU from the Sun and 44.5 AU from the Earth.
The TNO is moving 1.8 km/sec on the sky relative to the star, or, 0.2 arcsec/hr.
The 1-sigma error in the time of the event is 1815 seconds.
The 1-sigma cross-track error in the shadow position is 1754 km.

The TNO has an absolute magnitude Hv=7.4
Diameter=203.2 km assuming a 5% albedo -- 113.3 sec chord
Diameter=83.0 km assuming a 30% albedo -- 46.2 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 
 
 

Star training set for 03UV291, (2019/08/30 06:02UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:03.1 +16:32:50  0.8 15.58  84
44Zet Per      03:55:22.4 +31:56:26  2.8 14.10  90
65 Ari         03:25:34.3 +20:52:19  5.9  2.59 100
PPM 119141     03:32:03.9 +18:51:55  8.3  0.07  99
03UV291        03:32:19.7 +18:49:48 16.5        98
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 03UV291, (2019/08/30 06:02UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 15.58  84
44Zet Per      03:54:07.9 +31:53:01  2.8 14.10  90
65 Ari         03:24:26.1 +20:48:12  5.9  2.59 100
PPM 119141     03:30:56.3 +18:47:57  8.3  0.07  99
03UV291        03:31:12.1 +18:45:51 16.5        99
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:36:50 UT

Marc W. Buie, Southwest Research Institute

RECON