Event between 14WV508 and star UC4-639-043476 with event index number of 242209
Geocentric closest approach at 2018/05/17 14:30:49 UTC
J2000 position of star is 09:13:10.4 +37:44:24
Equinox of date position of star is 09:14:18.3 +37:39:54
Stellar brightness R=14.4,
use SENSEUP=64
Star is 49 degrees from the moon.
Moon is 6% illuminated.
TNO apparent brightness V=21.6
TNO is 15.7 AU from the Sun
and 16.0 AU from the Earth.
The TNO is moving 20.8
km/sec on the sky relative to the star, or,
6.5 arcsec/hr.
The 1-sigma error in the time of the event is 87 seconds.
The 1-sigma cross-track error in the shadow position is
2165 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=81.7 km assuming a 5% albedo -- 3.9 sec chord
Diameter=33.3 km assuming a 30% albedo -- 1.6 sec chord
Dynamical classification is CENTAURR
Star training set for 14WV508, (2018/05/17 14:31UT) Object RA Dec mag sep mel Pollux 07:46:26.3 +27:58:49 1.1 20.78 29 PPM 074244 09:07:41.6 +38:22:39 4.6 1.49 48 PPM 074356 09:16:07.0 +38:31:58 7.1 0.94 49 PPM 074324 09:13:10.2 +37:27:15 9.7 0.31 49 14WV508 09:14:19.5 +37:39:49 14.4 49 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 14WV508, (2018/05/17 14:31UT) Object RA Dec mag sep mel Pollux 07:45:18.1 +28:01:33 1.1 20.78 29 PPM 074244 09:06:31.7 +38:27:08 4.6 1.49 48 PPM 074356 09:14:57.6 +38:36:35 7.1 0.94 49 PPM 074324 09:12:01.2 +37:31:50 9.7 0.31 49 14WV508 09:13:10.4 +37:44:24 14.4 49 Positions are for J2000
Event circumstances last updated at 2018/01/16 17:03:56 UT
Marc W. Buie, Southwest Research Institute