RECON: TNO occultation with 14UO224

Event between 14UO224 and star GA1100:01361651 with event index number of 359615

Geocentric closest approach at 2019/12/16 16:03:01 UTC

J2000 position of star is 05:43:38.8 +21:41:36
Equinox of date position of star is 05:44:48.9 +21:42:03
Stellar brightness G=16.3, use SENSEUP=128
Star is 55 degrees from the moon. Moon is 78% illuminated.
TNO apparent brightness V=21.5

TNO is 38.1 AU from the Sun and 37.1 AU from the Earth.
The TNO is moving 25.3 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 269 seconds.
The 1-sigma cross-track error in the shadow position is 1655 km.

The TNO has an absolute magnitude Hv=5.7
Diameter=434.5 km assuming a 5% albedo -- 17.2 sec chord
Diameter=177.4 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 
 
 

Star training set for 14UO224, (2019/12/16 16:03UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:15.2 +07:24:33  0.4 14.55  55
Alnath         05:27:33.3 +28:37:21  1.6  7.95  58
PPM 094621     05:40:39.1 +21:46:21  6.4  0.98  56
PPM 094742     05:44:33.8 +21:25:25  8.5  0.28  55
PPM 094721     05:43:51.7 +21:35:13  9.2  0.26  55
14UO224        05:44:50.8 +21:42:03 16.3        55
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 14UO224, (2019/12/16 16:03UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 14.55  55
Alnath         05:26:17.5 +28:36:23  1.6  7.95  58
PPM 094621     05:39:27.1 +21:45:46  6.4  0.98  56
PPM 094742     05:43:22.0 +21:24:57  8.5  0.28  55
PPM 094721     05:42:39.8 +21:34:44  9.2  0.26  55
14UO224        05:43:38.8 +21:41:36 16.3        55
Positions are for J2000

Event circumstances last updated at 2019/06/07 23:01:40 UT

Marc W. Buie, Southwest Research Institute

RECON