RECON: TNO occultation with 14UO224

Event between 14UO224 and star GA1100:01762381 with event index number of 1976499

Geocentric closest approach at 2024/02/05 00:35:52 UTC

J2000 position of star is 06:07:24.9 +20:55:00
Equinox of date position of star is 06:08:50.4 +20:54:43
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 157 degrees from the moon. Moon is 30% illuminated.
Apparent brightness V=21.6

Object is 37.9 AU from the Sun and 37.2 AU from the Earth.
Apparent velocity is 17.0 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 231 seconds.
The 1-sigma cross-track error in the shadow position is 1630 km.

The object has an absolute magnitude Hv=5.7
Diameter=442.6 km assuming a 5% albedo -- 26.0 sec chord
Diameter=180.7 km assuming a 30% albedo -- 10.6 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 
 
 

Star training set for 14UO224, (2024/02/05 00:36UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:28.6 +07:24:34  0.4 13.83 153
Alhena         06:39:06.2 +16:22:36  1.9  8.48 149
62Chi2Ori      06:05:21.1 +20:08:09  4.5  1.13 158
PPM 095519     06:11:05.6 +20:28:54  7.2  0.68 157
PPM 095360     06:06:42.9 +20:27:47  9.4  0.67 158
PPM 095443     06:09:20.8 +21:18:09 10.5  0.41 157
14UO224        06:08:51.3 +20:54:43 16.7       157
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, (2024/02/05 00:36UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 13.83 153
Alhena         06:37:42.8 +16:23:57  1.9  8.48 149
62Chi2Ori      06:03:55.2 +20:08:18  4.5  1.13 158
PPM 095519     06:09:39.5 +20:29:16  7.2  0.68 157
PPM 095360     06:05:16.7 +20:27:59  9.4  0.67 158
PPM 095443     06:07:54.2 +21:18:27 10.5  0.41 157
14UO224        06:07:24.9 +20:55:00 16.7       157
Positions are for J2000

Event circumstances last updated at 2023/11/05 04:15:11 UT

Marc W. Buie, Southwest Research Institute

RECON