RECON: TNO occultation with 248835

Event between (248835) 06SX368 and star GA1180:02099981 with event index number of 2298417

Geocentric closest approach at 2024/02/21 13:29:47 UTC

J2000 position of star is 06:02:35.1 +28:33:06
Equinox of date position of star is 06:04:06.8 +28:32:59
Stellar brightness G=10.2, use SENSEUP=2 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 29 degrees from the moon. Moon is 92% illuminated.
Apparent brightness V=22.4

Object is 19.1 AU from the Sun and 18.6 AU from the Earth.
Apparent velocity is 11.1 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 377 seconds.
The 1-sigma cross-track error in the shadow position is 3977 km.

The object has an absolute magnitude Hv=9.4
Diameter=75.9 km assuming a 5% albedo -- 7.1 sec chord
Diameter=31.0 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 248835, (2024/02/21 13:30UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:28.8 +07:24:34  0.4 21.22  37
Alnath         05:27:49.2 +28:37:32  1.6  7.97  37
PPM 095226     06:02:31.5 +27:34:17  6.0  1.04  30
PPM 095286     06:04:31.4 +28:40:30  7.9  0.15  29
248835         06:04:06.9 +28:32:59 10.2        29
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 248835, (2024/02/21 13:30UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 21.22  37
Alnath         05:26:17.6 +28:36:23  1.6  7.97  37
PPM 095226     06:01:00.4 +27:34:21  6.0  1.04  30
PPM 095286     06:02:59.5 +28:40:37  7.9  0.15  29
248835         06:02:35.1 +28:33:06 10.2        29
Positions are for J2000

Event circumstances last updated at 2024/02/12 04:17:38 UT

Marc W. Buie, Southwest Research Institute

RECON