RECON: TNO occultation with 03UT292

Event between 03UT292 and star UC4-492-015195 with event index number of 163778

Geocentric closest approach at 2018/11/29 23:27:28 UTC

J2000 position of star is 05:48:47.7 +08:19:21
Equinox of date position of star is 05:49:43.0 +08:19:37
Stellar brightness R=15.8
Star is 72 degrees from the moon. Moon is 51% illuminated.
TNO apparent brightness V=21.4

TNO is 28.0 AU from the Sun and 27.1 AU from the Earth.
The TNO is moving 22.6 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 369 seconds.
The 1-sigma cross-track error in the shadow position is 3240 km.

The TNO has an absolute magnitude Hv=6.9
Diameter=252.4 km assuming a 5% albedo -- 11.2 sec chord
Diameter=103.0 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 03UT292, (2018/11/29 23:27UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:11.8 +07:24:33  0.4  1.83  70
Bellatrix      05:26:08.8 +06:21:55  1.6  6.19  78
PPM 149523     05:51:05.2 +09:52:31  6.4  1.58  71
PPM 149458     05:48:24.6 +08:33:14  8.0  0.42  72
PPM 149518     05:50:46.0 +08:29:38  9.0  0.29  71
PPM 149511     05:50:19.9 +08:14:59 10.2  0.15  72
03UT292        05:49:49.5 +08:19:39 15.8        71
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 03UT292, (2018/11/29 23:27UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  1.83  70
Bellatrix      05:25:07.8 +06:20:59  1.6  6.19  78
PPM 149523     05:50:02.6 +09:52:15  6.4  1.58  71
PPM 149458     05:47:22.6 +08:32:54  8.0  0.42  72
PPM 149518     05:49:44.1 +08:29:22  9.0  0.29  71
PPM 149511     05:49:18.1 +08:14:42 10.2  0.15  72
03UT292        05:48:47.7 +08:19:21 15.8        72
Positions are for J2000

Event circumstances last updated at 2016/12/02 19:20:47 UT

Marc W. Buie, Southwest Research Institute

RECON