RECON: TNO occultation with 14UO224

Event between 14UO224 and star GDR2_85.371_21.957 with event index number of 160863

Geocentric closest approach at 2018/09/29 02:18:36 UTC

J2000 position of star is 05:41:29.1 +21:57:26
Equinox of date position of star is 05:42:35.5 +21:57:55
Stellar brightness G=15.9, use SENSEUP=128
Star is 32 degrees from the moon. Moon is 84% illuminated.
TNO apparent brightness V=21.7

TNO is 38.2 AU from the Sun and 38.0 AU from the Earth.
The TNO is moving 1.5 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 23347 seconds.
The 1-sigma cross-track error in the shadow position is 4838 km.

The TNO has an absolute magnitude Hv=5.7
Diameter=440.6 km assuming a 5% albedo -- 297.9 sec chord
Diameter=179.9 km assuming a 30% albedo -- 121.6 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 
 
 

Star training set for 14UO224, (2018/09/29 02:19UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:11.2 +07:24:33  0.4 14.92  36
Alnath         05:27:28.7 +28:37:18  1.6  7.48  31
PPM 094621     05:40:34.7 +21:46:19  6.4  0.51  32
PPM 094709     05:43:22.5 +22:22:45  8.5  0.45  32
PPM 094676     05:42:41.7 +22:04:00  9.8  0.10  32
14UO224        05:42:36.8 +21:57:56 15.9        32
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, (2018/09/29 02:19UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 14.92  36
Alnath         05:26:17.5 +28:36:23  1.6  7.48  31
PPM 094621     05:39:27.1 +21:45:46  6.4  0.51  32
PPM 094709     05:42:14.6 +22:22:17  8.5  0.45  32
PPM 094676     05:41:33.9 +22:03:31  9.8  0.10  32
14UO224        05:41:29.1 +21:57:26 15.9        32
Positions are for J2000

Event circumstances last updated at 2018/05/24 18:02:59 UT

Marc W. Buie, Southwest Research Institute

RECON