Event between (40314) 99KR16 and star UC4-421-064281 with event index number of 65442
Geocentric closest approach at 2017/06/10 14:44:55 UTC
J2000 position of star is 15:43:59.7 -05:58:10
Equinox of date position of star is 15:44:53.2 -06:01:18
Stellar brightness R=13.2
Star is 37 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=21.4
TNO is 34.8 AU from the Sun
and 33.9 AU from the Earth.
The TNO is moving 21.5
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 88 seconds.
The 1-sigma cross-track error in the shadow position is
1347 km.
The TNO has an absolute magnitude Hv=5.9
Diameter=398.1 km assuming a 5% albedo -- 20.3 sec chord
Diameter=162.5 km assuming a 30% albedo -- 8.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 40314, (2017/06/10 14:45UT) Object RA Dec mag sep mel Antares 16:30:28.8 -26:28:09 0.9 23.15 23 27Bet Lib 15:17:56.9 -09:26:46 2.6 7.51 42 PPM 198946 15:47:41.1 -06:10:25 6.5 0.70 36 PPM 198864 15:42:16.0 -06:01:59 8.0 0.66 38 PPM 198915 15:45:16.8 -05:53:05 9.6 0.16 37 40314 15:44:55.4 -06:01:25 13.2 37 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 40314, (2017/06/10 14:45UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:55 0.9 23.15 23 27Bet Lib 15:17:00.3 -09:22:59 2.6 7.51 42 PPM 198946 15:46:45.4 -06:07:13 6.5 0.70 36 PPM 198864 15:41:20.4 -05:58:41 8.0 0.66 38 PPM 198915 15:44:21.1 -05:49:51 9.6 0.16 37 40314 15:43:59.7 -05:58:10 13.2 37 Positions are for J2000
Event circumstances last updated at 2016/10/07 18:07:51 UT
Marc W. Buie, Southwest Research Institute