RECON: TNO occultation with 00FV53

Event between 00FV53 and star UC4-399-060872 with event index number of 125206

Geocentric closest approach at 2018/07/03 20:43:03 UTC

J2000 position of star is 16:02:09.4 -10:18:59
Equinox of date position of star is 16:03:08.3 -10:21:55
Stellar brightness R=14.9, use SENSEUP=128
Star is 103 degrees from the moon. Moon is 74% illuminated.
TNO apparent brightness V=23.6

TNO is 34.2 AU from the Sun and 33.4 AU from the Earth.
The TNO is moving 17.0 km/sec on the sky relative to the star, or, 2.5 arcsec/hr.
The 1-sigma error in the time of the event is 653 seconds.
The 1-sigma cross-track error in the shadow position is 2772 km.

The TNO has an absolute magnitude Hv=8.2
Diameter=140.0 km assuming a 5% albedo -- 8.2 sec chord
Diameter=57.1 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 00FV53, (2018/07/03 20:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:32.7 -26:28:17  0.9 17.35  94
1Del Oph       16:15:19.0 -03:44:26  2.7  7.28 102
50 Lib         16:01:47.7 -08:27:45  5.5  1.93 104
PPM 199248     16:05:10.5 -09:58:10  7.8  0.63 103
PPM 231094     16:02:58.8 -10:09:46  9.7  0.21 103
00FV53         16:03:10.2 -10:22:01 14.9       103
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 00FV53, (2018/07/03 20:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 17.35  94
1Del Oph       16:14:20.7 -03:41:42  2.7  7.28 102
50 Lib         16:00:47.6 -08:24:41  5.5  1.93 104
PPM 199248     16:04:09.8 -09:55:11  7.8  0.63 103
PPM 231094     16:01:58.0 -10:06:44  9.7  0.21 103
00FV53         16:02:09.4 -10:18:59 14.9       103
Positions are for J2000

Event circumstances last updated at 2017/12/04 18:48:48 UT

Marc W. Buie, Southwest Research Institute

RECON