RECON: TNO occultation with 02VF130

Event between 02VF130 and star GA1080:01444121 with event index number of 1878371

Geocentric closest approach at 2022/04/17 00:17:58 UTC

J2000 position of star is 05:52:43.9 +19:16:51
Equinox of date position of star is 05:54:02.5 +19:17:04
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 122 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=23.5

TNO is 44.3 AU from the Sun and 44.8 AU from the Earth.
The TNO is moving 18.0 km/sec on the sky relative to the star, or, 2.0 arcsec/hr.
The 1-sigma error in the time of the event is 671 seconds.
The 1-sigma cross-track error in the shadow position is 5619 km.

The TNO has an absolute magnitude Hv=6.9
Diameter=247.8 km assuming a 5% albedo -- 13.8 sec chord
Diameter=101.1 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 02VF130, (2022/04/17 00:18UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:22.8 +07:24:34  0.4 11.89 120
Alhena         06:39:00.0 +16:22:42  1.9 11.08 111
PPM 121513     05:53:42.7 +19:52:18  6.4  0.59 122
PPM 121512     05:53:41.7 +19:09:13  8.5  0.15 122
02VF130        05:54:02.8 +19:17:04 16.9       121
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 02VF130, (2022/04/17 00:18UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 11.89 120
Alhena         06:37:42.8 +16:23:57  1.9 11.08 111
PPM 121513     05:52:23.4 +19:52:04  6.4  0.59 122
PPM 121512     05:52:22.8 +19:08:59  8.5  0.15 122
02VF130        05:52:43.9 +19:16:51 16.9       122
Positions are for J2000

Event circumstances last updated at 2022/03/13 02:12:18 UT

Marc W. Buie, Southwest Research Institute

RECON