RECON: TNO occultation with 535030

Event between (535030) 14WJ510 and star GA0840:04020023 with event index number of 2261108

Geocentric closest approach at 2024/03/26 21:33:23 UTC

J2000 position of star is 11:18:15.1 -05:34:09
Equinox of date position of star is 11:19:26.3 -05:41:50
Stellar brightness G=14.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 33 degrees from the moon. Moon is 98% illuminated.
Apparent brightness V=22.2

Object is 35.4 AU from the Sun and 34.5 AU from the Earth.
Apparent velocity is 23.5 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 67 seconds.
The 1-sigma cross-track error in the shadow position is 1608 km.

The object has an absolute magnitude Hv=6.7
Diameter=278.0 km assuming a 5% albedo -- 11.9 sec chord
Diameter=113.5 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 
 
 

Star training set for 535030, (2024/03/26 21:33UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:39.7 +11:50:52  1.3 24.69  54
4Gam Crv       12:17:03.4 -17:40:35  2.6 18.47  19
PPM 194312     11:18:11.9 -07:16:02  6.1  1.60  33
PPM 194335     11:19:38.9 -06:01:45  8.3  0.33  32
PPM 194337     11:19:50.0 -05:43:10  9.8  0.09  32
535030         11:19:29.1 -05:42:07 14.7        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 535030, (2024/03/26 21:33UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3 24.69  54
4Gam Crv       12:15:48.1 -17:32:30  2.6 18.47  19
PPM 194312     11:16:58.2 -07:08:05  6.1  1.60  33
PPM 194335     11:18:24.9 -05:53:47  8.3  0.33  32
PPM 194337     11:18:36.1 -05:35:12  9.8  0.09  32
535030         11:18:15.1 -05:34:09 14.7        33
Positions are for J2000

Event circumstances last updated at 2023/05/03 03:55:20 UT

Marc W. Buie, Southwest Research Institute

RECON