RECON: TNO occultation with 95626

Event between (95626) 02GZ32 and star GA0660:37000671 with event index number of 2133457

Geocentric closest approach at 2024/10/18 10:35:23 UTC

J2000 position of star is 19:10:25.3 -22:58:34
Equinox of date position of star is 19:11:52.6 -22:56:06
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 113 degrees from the moon. Moon is 99% illuminated.
Apparent brightness V=20.1

Object is 18.4 AU from the Sun and 18.5 AU from the Earth.
Apparent velocity is 12.6 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 143 seconds.
The 1-sigma cross-track error in the shadow position is 776 km.

The object has an absolute magnitude Hv=7.2
Diameter=251.2 km assuming a 5% albedo -- 17.5 sec chord
Diameter=102.6 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 95626, (2024/10/18 10:34UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:55.9 -26:29:05  0.9 36.59 149
Nunki          18:56:48.1 -26:15:49  2.0  4.78 117
PPM 269532     19:17:03.8 -24:08:06  6.4  1.68 112
PPM 269386     19:11:04.5 -23:08:58  8.3  0.29 113
PPM 269404     19:11:46.2 -23:02:28  9.6  0.11 113
95626          19:11:54.9 -22:56:02 16.9       113
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 95626, (2024/10/18 10:34UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 36.59 149
Nunki          18:55:15.9 -26:17:49  2.0  4.78 117
PPM 269532     19:15:33.5 -24:10:48  6.4  1.68 112
PPM 269386     19:09:34.7 -23:11:28  8.3  0.29 113
PPM 269404     19:10:16.5 -23:05:00  9.6  0.11 113
95626          19:10:25.3 -22:58:34 16.9       113
Positions are for J2000

Event circumstances last updated at 2024/03/02 05:59:19 UT

Marc W. Buie, Southwest Research Institute

RECON