Event between (470316) 07OC10 and star GA0980:18085030 with event index number of 190595
Geocentric closest approach at 2019/05/08 18:43:47 UTC
J2000 position of star is 21:52:13.0 +09:10:08
Equinox of date position of star is 21:53:07.6 +09:15:22
Stellar brightness G=15.7,
use SENSEUP=128
Star is 120 degrees from the moon.
Moon is 16% illuminated.
TNO apparent brightness V=20.8
TNO is 36.1 AU from the Sun
and 36.3 AU from the Earth.
The TNO is moving 17.6
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 120 seconds.
The 1-sigma cross-track error in the shadow position is
2650 km.
The TNO has an absolute magnitude Hv=5.0
Diameter=602.6 km assuming a 5% albedo -- 34.3 sec chord
Diameter=246.0 km assuming a 30% albedo -- 14.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 470316, (2019/05/08 18:44UT) Object RA Dec mag sep mel Markab 23:05:43.6 +15:18:35 2.5 18.72 102 PPM 140523 21:43:29.7 +10:54:49 5.9 2.90 121 PPM 140720 21:52:04.4 +10:27:32 8.1 1.23 120 PPM 172356 21:52:47.4 +08:57:53 9.7 0.31 120 PPM 172350 21:52:28.0 +09:18:37 10.7 0.18 120 470316 21:53:10.3 +09:15:38 15.7 120 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 470316, (2019/05/08 18:44UT) Object RA Dec mag sep mel Markab 23:04:45.7 +15:12:18 2.5 18.72 102 PPM 140523 21:42:33.0 +10:49:28 5.9 2.90 121 PPM 140720 21:51:07.4 +10:22:03 8.1 1.23 120 PPM 172356 21:51:50.1 +08:52:23 9.7 0.31 120 PPM 172350 21:51:30.7 +09:13:09 10.7 0.18 120 470316 21:52:13.0 +09:10:08 15.7 120 Positions are for J2000
Event circumstances last updated at 2018/06/11 23:07:03 UT
Marc W. Buie, Southwest Research Institute