RECON: TNO occultation with 483002

Event between (483002) 14QS441 and star GA0800:00240764 with event index number of 2317711

Geocentric closest approach at 2028/02/11 09:03:49 UTC

J2000 position of star is 03:07:35.4 -08:35:56
Equinox of date position of star is 03:08:45.2 -08:30:31
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 108 degrees from the moon. Moon is 99% illuminated.
Apparent brightness V=22.0

Object is 44.0 AU from the Sun and 44.2 AU from the Earth.
Apparent velocity is 13.7 km/sec on the sky relative to the star, or, 1.5 arcsec/hr.
The 1-sigma error in the time of the event is 121 seconds.
The 1-sigma cross-track error in the shadow position is 2351 km.

The object has an absolute magnitude Hv=5.4
Diameter=487.5 km assuming a 5% albedo -- 36.5 sec chord
Diameter=199.0 km assuming a 30% albedo -- 14.9 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 483002, (2028/02/11 09:04UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:53.4 -08:10:17  0.1 31.39  77
Menkar         03:03:45.2 +04:11:54  2.5 12.76 107
10Rho3Eri      03:05:39.5 -07:29:33  5.7  1.29 109
PPM 185396     03:07:50.6 -08:28:58  8.5  0.28 108
483002         03:08:57.7 -08:29:32 15.9       107
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 483002, (2028/02/11 09:04UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1 31.39  77
Menkar         03:02:16.8 +04:05:21  2.5 12.76 107
10Rho3Eri      03:04:16.6 -07:36:03  5.7  1.29 109
PPM 185396     03:06:28.2 -08:35:24  8.5  0.28 108
483002         03:07:35.4 -08:35:56 15.9       108
Positions are for J2000

Event circumstances last updated at 2023/10/27 02:01:03 UT

Marc W. Buie, Southwest Research Institute

RECON