Event between (470599) 08OG19 and star UC4-397-126073 with event index number of 146580
Geocentric closest approach at 2017/11/11 19:54:26 UTC
J2000 position of star is 20:47:05.1 -10:45:02
Equinox of date position of star is 20:47:59.5 -10:41:19
Stellar brightness R=16.1
Star is 158 degrees from the moon.
Moon is 40% illuminated.
TNO apparent brightness V=20.7
TNO is 38.7 AU from the Sun
and 38.8 AU from the Earth.
The TNO is moving 11.3
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 211 seconds.
The 1-sigma cross-track error in the shadow position is
1834 km.
The TNO has an absolute magnitude Hv=4.7
Diameter=691.9 km assuming a 5% albedo -- 61.5 sec chord
Diameter=282.4 km assuming a 30% albedo -- 25.1 sec chord
Dynamical classification is SCATNEAR
Star training set for 470599, (2017/11/11 19:54UT) Object RA Dec mag sep mel Fomalhaut 22:58:38.0 -29:31:38 1.2 35.77 160 Tarazed 19:47:06.5 +10:39:28 2.7 26.17 136 2Eps Aqr 20:48:38.5 -09:25:46 3.8 1.26 158 PPM 237903 20:47:35.8 -10:38:50 8.5 0.12 158 470599 20:48:03.4 -10:41:03 16.1 158 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 470599, (2017/11/11 19:54UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 35.77 160 Tarazed 19:46:15.6 +10:36:48 2.7 26.17 136 2Eps Aqr 20:47:40.6 -09:29:45 3.8 1.26 158 PPM 237903 20:46:37.5 -10:42:49 8.5 0.12 158 470599 20:47:05.1 -10:45:02 16.1 158 Positions are for J2000
Event circumstances last updated at 2016/09/01 18:17:28 UT
Marc W. Buie, Southwest Research Institute