RECON: TNO occultation with 599752

Event between (599752) 10VQ11 and star GA0980:01606237 with event index number of 2728481

Geocentric closest approach at 2028/11/14 19:01:02 UTC

J2000 position of star is 06:15:47.1 +09:58:42
Equinox of date position of star is 06:17:06.4 +09:58:08
Stellar brightness G=16.5, 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 5% illuminated.
Apparent brightness V=21.9

Object is 41.7 AU from the Sun and 41.0 AU from the Earth.
Apparent velocity is 18.6 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 424 seconds.
The 1-sigma cross-track error in the shadow position is 3680 km.

The object has an absolute magnitude Hv=5.6
Diameter=448.8 km assuming a 5% albedo -- 24.5 sec chord
Diameter=183.2 km assuming a 30% albedo -- 10.0 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 599752, (2028/11/14 18:53UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:44.1 +07:24:36  0.4  5.71 117
Alhena         06:39:22.8 +16:22:20  1.9  8.35 109
75 Ori         06:18:42.2 +09:55:46  5.4  0.33 112
PPM 150167     06:16:59.4 +09:44:52  8.4  0.24 113
PPM 122169     06:16:41.3 +10:01:35  9.1  0.18 113
599752         06:17:22.6 +09:58:01 16.5       112
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 599752, (2028/11/14 18:53UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  5.71 117
Alhena         06:37:42.8 +16:23:56  1.9  8.35 109
75 Ori         06:17:06.6 +09:56:31  5.4  0.33 112
PPM 150167     06:15:24.0 +09:45:33  8.4  0.24 113
PPM 122169     06:15:05.8 +10:02:15  9.1  0.18 113
599752         06:15:47.1 +09:58:42 16.5       113
Positions are for J2000

Event circumstances last updated at 2023/12/24 04:43:51 UT

Marc W. Buie, Southwest Research Institute

RECON