RECON: TNO occultation with 14JQ92

Event between 14JQ92 and star GA0900:05406827 with event index number of 1553070

Geocentric closest approach at 2020/08/30 02:56:16 UTC

J2000 position of star is 17:29:52.0 +00:33:47
Equinox of date position of star is 17:30:53.8 +00:32:54
Stellar brightness G=16.9, use SENSEUP=128
Star is 47 degrees from the moon. Moon is 90% illuminated.
TNO apparent brightness V=24.5

TNO is 26.9 AU from the Sun and 26.7 AU from the Earth.
The TNO is moving 12.1 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 83 seconds.
The 1-sigma cross-track error in the shadow position is 1862 km.

The TNO has an absolute magnitude Hv=10.0
Diameter=130.0 km assuming a 5% albedo -- 5.0 sec chord
Diameter=53.1 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is 3:2E+6:4II
 
 
 
 
 
 
 
 

Star training set for 14JQ92, (2020/08/30 02:56UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:40.7 -26:28:34  0.9 30.68  51
60Bet Oph      17:44:29.6 +04:33:37  2.8  5.25  46
PPM 164059     17:29:53.0 +00:18:55  5.5  0.35  47
PPM 164068     17:30:15.6 +00:55:11  8.1  0.41  47
PPM 164115     17:31:42.7 +00:30:39  9.5  0.20  47
14JQ92         17:30:55.2 +00:32:53 16.9        47
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 14JQ92, (2020/08/30 02:56UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 30.68  51
60Bet Oph      17:43:28.3 +04:34:05  2.8  5.25  46
PPM 164059     17:28:49.6 +00:19:50  5.5  0.35  47
PPM 164068     17:29:12.5 +00:56:06  8.1  0.41  47
PPM 164115     17:30:39.4 +00:31:31  9.5  0.20  47
14JQ92         17:29:52.0 +00:33:47 16.9        47
Positions are for J2000

Event circumstances last updated at 2020/03/11 21:14:56 UT

Marc W. Buie, Southwest Research Institute

RECON