RECON: TNO occultation with 14JU80

Event between 14JU80 and star GA0760:09226061 with event index number of 2493794

Geocentric closest approach at 2022/05/30 18:47:08 UTC

J2000 position of star is 17:44:49.2 -12:10:21
Equinox of date position of star is 17:46:03.9 -12:10:49
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 161 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.1

TNO is 43.5 AU from the Sun and 42.6 AU from the Earth.
The TNO is moving 23.3 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 712 seconds.
The 1-sigma cross-track error in the shadow position is 2738 km.

The TNO has an absolute magnitude Hv=5.7
Diameter=440.6 km assuming a 5% albedo -- 18.9 sec chord
Diameter=179.9 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 
 
 

Star training set for 14JU80, (2022/05/30 18:47UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.1 -26:28:47  0.9 22.75 176
35Eta Oph      17:11:39.9 -15:45:04  2.6  9.08 170
56Omi Ser      17:42:40.5 -12:53:07  4.4  1.09 162
PPM 233639     17:51:11.1 -12:36:52  8.1  1.32 161
PPM 233529     17:45:32.8 -12:13:09  9.4  0.13 161
14JU80         17:46:04.6 -12:10:50 16.7       161
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 14JU80, (2022/05/30 18:47UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 22.75 176
35Eta Oph      17:10:22.7 -15:43:29  2.6  9.08 170
56Omi Ser      17:41:24.8 -12:52:32  4.4  1.09 162
PPM 233639     17:49:55.5 -12:36:33  8.1  1.32 161
PPM 233529     17:44:17.4 -12:12:40  9.4  0.13 161
14JU80         17:44:49.2 -12:10:21 16.7       161
Positions are for J2000

Event circumstances last updated at 2022/03/14 01:02:43 UT

Marc W. Buie, Southwest Research Institute

RECON