RECON: TNO occultation with 00KL4

Event between 00KL4 and star GA0820:10322319 with event index number of 2581441

Geocentric closest approach at 2024/05/24 04:32:46 UTC

J2000 position of star is 18:33:12.9 -06:08:29
Equinox of date position of star is 18:34:29.6 -06:07:19
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 35 degrees from the moon. Moon is 99% illuminated.
Apparent brightness V=23.5

Object is 38.9 AU from the Sun and 38.1 AU from the Earth.
Apparent velocity is 19.6 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 616 seconds.
The 1-sigma cross-track error in the shadow position is 2647 km.

The object has an absolute magnitude Hv=7.5
Diameter=187.9 km assuming a 5% albedo -- 9.6 sec chord
Diameter=76.7 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 00KL4, (2024/05/24 04:33UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.4 -26:29:02  0.9 35.79   1
60Bet Oph      17:44:40.7 +04:33:32  2.8 16.40  35
PPM 201808     18:31:32.6 -05:42:22  6.2  0.85  34
PPM 201852     18:34:41.1 -05:53:31  6.6  0.23  35
PPM 201850     18:34:38.8 -06:01:41  8.8  0.10  35
00KL4          18:34:31.4 -06:07:17 16.9        35
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 00KL4, (2024/05/24 04:33UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 35.79   1
60Bet Oph      17:43:28.3 +04:34:06  2.8 16.40  35
PPM 201808     18:30:14.3 -05:43:28  6.2  0.85  34
PPM 201852     18:33:22.7 -05:54:43  6.6  0.23  35
PPM 201850     18:33:20.3 -06:02:53  8.8  0.10  35
00KL4          18:33:12.9 -06:08:29 16.9        35
Positions are for J2000

Event circumstances last updated at 2023/11/04 04:12:15 UT

Marc W. Buie, Southwest Research Institute

RECON