RECON: TNO occultation with 06WF206

Event between 06WF206 and star GA1040:03345327 with event index number of 2017423

Geocentric closest approach at 2024/04/15 21:55:24 UTC

J2000 position of star is 09:59:01.6 +14:32:01
Equinox of date position of star is 10:00:16.9 +14:25:19
Stellar brightness G=15.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 29 degrees from the moon. Moon is 51% illuminated.
Apparent brightness V=23.1

Object is 43.6 AU from the Sun and 43.0 AU from the Earth.
Apparent velocity is 11.1 km/sec on the sky relative to the star, or, 1.3 arcsec/hr.
The 1-sigma error in the time of the event is 353 seconds.
The 1-sigma cross-track error in the shadow position is 3413 km.

The object has an absolute magnitude Hv=6.6
Diameter=289.7 km assuming a 5% albedo -- 25.7 sec chord
Diameter=118.3 km assuming a 30% albedo -- 10.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 
 
 

Star training set for 06WF206, (2024/04/15 21:55UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:39.8 +11:50:51  1.3  3.43  32
PPM 127101     10:06:59.8 +15:38:18  6.2  2.02  30
PPM 126978     09:59:30.8 +15:06:16  8.0  0.72  29
PPM 127014     10:01:38.5 +14:19:45  9.8  0.33  30
PPM 126994     10:00:36.3 +14:38:29 10.7  0.23  29
06WF206        10:00:20.5 +14:24:59 15.5        30
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 06WF206, (2024/04/15 21:55UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3  3.43  32
PPM 127101     10:05:40.8 +15:45:26  6.2  2.02  30
PPM 126978     09:58:11.6 +15:13:16  8.0  0.72  29
PPM 127014     10:00:19.6 +14:26:47  9.8  0.33  30
PPM 126994     09:59:17.3 +14:45:30 10.7  0.23  29
06WF206        09:59:01.6 +14:32:01 15.5        29
Positions are for J2000

Event circumstances last updated at 2023/03/04 03:51:13 UT

Marc W. Buie, Southwest Research Institute

RECON