RECON: TNO occultation with 44594

Event between (44594) 99OX3 and star GA1120:01000307 with event index number of 2820541

Geocentric closest approach at 2029/08/13 22:37:02 UTC

J2000 position of star is 05:06:50.3 +23:03:43
Equinox of date position of star is 05:08:18.1 +23:05:33
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 116 degrees from the moon. Moon is 19% illuminated.
Apparent brightness V=20.1

Object is 18.4 AU from the Sun and 18.9 AU from the Earth.
Apparent velocity is 21.0 km/sec on the sky relative to the star, or, 5.5 arcsec/hr.
The 1-sigma error in the time of the event is 132 seconds.
The 1-sigma cross-track error in the shadow position is 701 km.

The object has an absolute magnitude Hv=7.1
Diameter=231.2 km assuming a 5% albedo -- 11.1 sec chord
Diameter=94.4 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 44594, (2029/08/13 22:36UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:37.4 +16:34:00  0.8  9.79 123
Alnath         05:28:10.0 +28:37:47  1.6  7.06 111
PPM 094053     05:07:25.2 +23:05:57  6.5  0.28 116
44594          05:08:37.8 +23:05:57 15.7       115
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 44594, (2029/08/13 22:36UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8  9.79 123
Alnath         05:26:17.6 +28:36:23  1.6  7.06 111
PPM 094053     05:05:37.7 +23:03:40  6.5  0.28 116
44594          05:06:50.3 +23:03:43 15.7       116
Positions are for J2000

Event circumstances last updated at 2024/03/08 03:41:52 UT

Marc W. Buie, Southwest Research Institute

RECON