RECON: TNO occultation with 469362

Event between (469362) 01KB77 and star GA0800:07866427 with event index number of 1340148

Geocentric closest approach at 2023/08/08 13:42:33 UTC

J2000 position of star is 18:02:00.4 -09:41:45
Equinox of date position of star is 18:03:18.3 -09:41:39
Stellar brightness G=15.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 135 degrees from the moon. Moon is 49% illuminated.
Apparent brightness V=22.3

Object is 28.4 AU from the Sun and 27.7 AU from the Earth.
Apparent velocity is 14.9 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 268 seconds.
The 1-sigma cross-track error in the shadow position is 1304 km.

The object has an absolute magnitude Hv=7.7
Diameter=199.5 km assuming a 5% albedo -- 11.6 sec chord
Diameter=81.5 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 469362, (2023/08/08 13:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.5 -26:28:56  0.9 27.56 157
35Eta Oph      17:11:44.0 -15:45:09  2.6 13.95 148
64Nu Oph       18:00:19.6 -09:46:28  3.3  0.74 135
PPM 201352     18:05:12.3 -09:15:02  8.3  0.64 134
PPM 201348     18:05:01.0 -09:46:30  9.5  0.43 134
469362         18:03:18.4 -09:41:39 15.1       134
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 469362, (2023/08/08 13:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 27.56 157
35Eta Oph      17:10:22.7 -15:43:29  2.6 13.95 148
64Nu Oph       17:59:01.6 -09:46:28  3.3  0.74 135
PPM 201352     18:03:54.5 -09:15:12  8.3  0.64 134
PPM 201348     18:03:43.0 -09:46:39  9.5  0.43 134
469362         18:02:00.4 -09:41:45 15.1       135
Positions are for J2000

Event circumstances last updated at 2023/07/28 03:52:26 UT

Marc W. Buie, Southwest Research Institute

RECON