RECON: TNO occultation with 14GV53

Event between 14GV53 and star GA0840:05230023 with event index number of 274400

Geocentric closest approach at 2020/06/26 12:21:20 UTC

J2000 position of star is 16:50:57.9 -04:36:58
Equinox of date position of star is 16:51:56.6 -04:38:47
Stellar brightness G=16.8, use SENSEUP=128
Star is 89 degrees from the moon. Moon is 30% illuminated.
TNO apparent brightness V=22.0

TNO is 36.7 AU from the Sun and 35.8 AU from the Earth.
The TNO is moving 21.8 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 596 seconds.
The 1-sigma cross-track error in the shadow position is 3996 km.

The TNO has an absolute magnitude Hv=6.3
Diameter=325.1 km assuming a 5% albedo -- 14.9 sec chord
Diameter=132.7 km assuming a 30% albedo -- 6.1 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 
 
 

Star training set for 14GV53, (2020/06/26 12:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:40.0 -26:28:33  0.9 22.42  89
13Zet Oph      16:38:17.3 -10:36:25  2.6  6.86  87
23 Oph         16:55:41.5 -06:11:09  5.3  1.78  90
PPM 200032     16:49:56.5 -04:33:03  7.6  0.53  89
PPM 200084     16:52:40.8 -04:41:24  9.5  0.16  89
14GV53         16:52:03.0 -04:38:59 16.8        89
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 14GV53, (2020/06/26 12:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 22.42  89
13Zet Oph      16:37:09.6 -10:34:01  2.6  6.86  87
23 Oph         16:54:35.6 -06:09:15  5.3  1.78  90
PPM 200032     16:48:51.4 -04:30:58  7.6  0.53  89
PPM 200084     16:51:35.6 -04:39:24  9.5  0.16  89
14GV53         16:50:57.9 -04:36:58 16.8        89
Positions are for J2000

Event circumstances last updated at 2018/06/25 21:47:30 UT

Marc W. Buie, Southwest Research Institute

RECON