RECON: TNO occultation with 14WR510

Event between 14WR510 and star UC4-517-024320 with event index number of 360289

Geocentric closest approach at 2019/04/07 08:40:45 UTC

J2000 position of star is 06:22:20.4 +13:18:15
Equinox of date position of star is 06:23:25.2 +13:17:37
Stellar brightness R=16.6, use SENSEUP=128
Star is 55 degrees from the moon. Moon is 4% illuminated.
TNO apparent brightness V=22.4

TNO is 29.5 AU from the Sun and 29.7 AU from the Earth.
The TNO is moving 12.4 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 266 seconds.
The 1-sigma cross-track error in the shadow position is 1437 km.

The TNO has an absolute magnitude Hv=7.5
Diameter=192.3 km assuming a 5% albedo -- 15.5 sec chord
Diameter=78.5 km assuming a 30% albedo -- 6.3 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 14WR510, (2019/04/07 08:41UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:12.9 +07:24:33  0.4  8.91  49
Alhena         06:38:49.5 +16:22:52  1.9  4.83  58
PPM 122364     06:23:41.3 +12:33:33  6.4  0.74  55
PPM 122343     06:22:50.0 +12:51:05  7.8  0.47  55
PPM 122360     06:23:30.0 +13:07:13  9.7  0.17  55
14WR510        06:23:25.7 +13:17:36 16.6        55
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 14WR510, (2019/04/07 08:41UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  8.91  49
Alhena         06:37:42.8 +16:23:57  1.9  4.83  58
PPM 122364     06:22:36.3 +12:34:12  6.4  0.74  55
PPM 122343     06:21:45.0 +12:51:43  7.8  0.47  55
PPM 122360     06:22:24.8 +13:07:52  9.7  0.17  55
14WR510        06:22:20.4 +13:18:15 16.6        55
Positions are for J2000

Event circumstances last updated at 2019/02/12 07:10:12 UT

Marc W. Buie, Southwest Research Institute

RECON