RECON: TNO occultation with 95626

Event between (95626) 02GZ32 and star GA0660:37962798 with event index number of 2133651

Geocentric closest approach at 2025/07/18 03:21:01 UTC

J2000 position of star is 19:39:05.1 -23:04:57
Equinox of date position of star is 19:40:31.9 -23:01:33
Stellar brightness G=16.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 95 degrees from the moon. Moon is 49% illuminated.
Apparent brightness V=19.8

Object is 18.5 AU from the Sun and 17.4 AU from the Earth.
Apparent velocity is 22.1 km/sec on the sky relative to the star, or, 6.3 arcsec/hr.
The 1-sigma error in the time of the event is 101 seconds.
The 1-sigma cross-track error in the shadow position is 779 km.

The object has an absolute magnitude Hv=7.2
Diameter=251.2 km assuming a 5% albedo -- 10.0 sec chord
Diameter=102.6 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 95626, (2025/07/18 03:23UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:58.7 -26:29:11  0.9 42.95 138
Nunki          18:56:50.8 -26:15:45  2.0 10.46 105
PPM 270116     19:41:39.1 -23:22:07  5.7  0.42  95
PPM 270120     19:41:53.8 -23:16:16  8.4  0.39  94
PPM 270106     19:41:24.6 -23:13:09  9.6  0.27  95
95626          19:40:36.9 -23:01:21 16.3        94
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, (2025/07/18 03:23UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 42.95 138
Nunki          18:55:15.9 -26:17:49  2.0 10.46 105
PPM 270116     19:40:07.2 -23:25:45  5.7  0.42  95
PPM 270120     19:40:22.0 -23:19:55  8.4  0.39  94
PPM 270106     19:39:52.8 -23:16:47  9.6  0.27  95
95626          19:39:05.1 -23:04:57 16.3        95
Positions are for J2000

Event circumstances last updated at 2024/03/02 06:30:25 UT

Marc W. Buie, Southwest Research Institute

RECON