RECON: TNO occultation with 535026

Event between (535026) 14WV509 and star GA0920:00458151 with event index number of 2337867

Geocentric closest approach at 2024/03/29 05:07:15 UTC

J2000 position of star is 04:40:00.8 +03:46:16
Equinox of date position of star is 04:41:13.5 +03:48:53
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 153 degrees from the moon. Moon is 86% illuminated.
Apparent brightness V=22.8

Object is 39.3 AU from the Sun and 39.7 AU from the Earth.
Apparent velocity is 20.3 km/sec on the sky relative to the star, or, 2.5 arcsec/hr.
The 1-sigma error in the time of the event is 210 seconds.
The 1-sigma cross-track error in the shadow position is 2186 km.

The object has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 13.3 sec chord
Diameter=112.4 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 535026, (2024/03/29 05:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:18.9 +16:33:22  0.8 12.78 161
67Bet Eri      05:09:02.6 -05:03:25  2.8 11.26 142
PPM 147685     04:35:25.7 +05:37:04  5.8  2.32 155
PPM 147832     04:43:31.4 +03:50:51  8.5  0.56 153
PPM 147818     04:42:38.4 +03:42:15  8.6  0.36 153
PPM 147808     04:42:03.1 +03:43:56 10.5  0.21 153
535026         04:41:17.4 +03:49:01 16.8       153
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 535026, (2024/03/29 05:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 12.78 161
67Bet Eri      05:07:50.8 -05:05:13  2.8 11.26 142
PPM 147685     04:34:08.2 +05:34:08  5.8  2.32 155
PPM 147832     04:42:14.8 +03:48:11  8.5  0.56 153
PPM 147818     04:41:21.9 +03:39:32  8.6  0.36 153
PPM 147808     04:40:46.6 +03:41:12 10.5  0.21 153
535026         04:40:00.8 +03:46:16 16.8       153
Positions are for J2000

Event circumstances last updated at 2023/01/13 03:56:57 UT

Marc W. Buie, Southwest Research Institute

RECON