RECON: TNO occultation with 10AV153

Event between 10AV153 and star GA0940:03446832 with event index number of 2076657

Geocentric closest approach at 2023/06/04 01:47:41 UTC

J2000 position of star is 09:51:40.5 +05:36:14
Equinox of date position of star is 09:52:53.5 +05:29:39
Stellar brightness G=11.8, use SENSEUP=8 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 104 degrees from the moon. Moon is 100% illuminated.
Apparent brightness V=22.3

Object is 30.0 AU from the Sun and 30.3 AU from the Earth.
Apparent velocity is 13.6 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 113 seconds.
The 1-sigma cross-track error in the shadow position is 1201 km.

The object has an absolute magnitude Hv=7.3
Diameter=211.8 km assuming a 5% albedo -- 15.6 sec chord
Diameter=86.5 km assuming a 30% albedo -- 6.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 10AV153, (2023/06/04 01:47UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:37.0 +11:51:07  1.3  7.58 102
4 Sex          09:51:43.1 +04:13:59  6.2  1.29 103
PPM 156301     09:54:56.6 +05:50:50  7.2  0.62 103
PPM 156238     09:51:32.1 +05:06:40  9.4  0.51 104
PPM 156277     09:53:32.4 +05:30:16 11.5  0.16 103
10AV153        09:52:54.1 +05:29:36 11.8       103
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 10AV153, (2023/06/04 01:47UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3  7.58 102
4 Sex          09:50:29.8 +04:20:36  6.2  1.29 103
PPM 156301     09:53:42.9 +05:57:30  7.2  0.62 103
PPM 156238     09:50:18.6 +05:13:17  9.4  0.51 104
PPM 156277     09:52:18.8 +05:36:55 11.5  0.16 103
10AV153        09:51:40.5 +05:36:14 11.8       103
Positions are for J2000

Event circumstances last updated at 2023/03/25 02:59:27 UT

Marc W. Buie, Southwest Research Institute

RECON