RECON: TNO occultation with 01KQ76

Event between 01KQ76 and star GA0660:07096403 with event index number of 1646974

Geocentric closest approach at 2024/06/30 14:41:25 UTC

J2000 position of star is 16:10:54.9 -23:06:01
Equinox of date position of star is 16:12:20.4 -23:09:38
Stellar brightness G=14.1, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 147 degrees from the moon. Moon is 31% illuminated.
Apparent brightness V=22.5

Object is 39.7 AU from the Sun and 38.9 AU from the Earth.
Apparent velocity is 19.5 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 225 seconds.
The 1-sigma cross-track error in the shadow position is 2455 km.

The object has an absolute magnitude Hv=6.5
Diameter=302.0 km assuming a 5% albedo -- 15.5 sec chord
Diameter=123.3 km assuming a 30% albedo -- 6.3 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 
 
 

Star training set for 01KQ76, (2024/06/30 14:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.8 -26:29:03  0.9  5.36 142
7Del Sco       16:01:47.2 -22:41:22  2.3  2.48 149
PPM 265182     16:10:11.8 -23:44:56  5.9  0.77 147
PPM 265215     16:11:53.1 -23:10:09  8.1  0.11 147
01KQ76         16:12:22.7 -23:09:44 14.1       146
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 01KQ76, (2024/06/30 14:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  5.36 142
7Del Sco       16:00:20.0 -22:37:18  2.3  2.48 149
PPM 265182     16:08:43.7 -23:41:08  5.9  0.77 147
PPM 265215     16:10:25.4 -23:06:24  8.1  0.11 147
01KQ76         16:10:54.9 -23:06:01 14.1       147
Positions are for J2000

Event circumstances last updated at 2023/11/07 05:29:57 UT

Marc W. Buie, Southwest Research Institute

RECON