Event between (470309) 07JK43 and star GA0920:05407207 with event index number of 183670
Geocentric closest approach at 2019/03/14 07:35:08 UTC
J2000 position of star is 17:40:59.6 +02:06:18
Equinox of date position of star is 17:41:56.4 +02:05:47
Stellar brightness G=15.1,
use SENSEUP=128
Star is 157 degrees from the moon.
Moon is 49% illuminated.
TNO apparent brightness V=21.1
TNO is 24.5 AU from the Sun
and 24.5 AU from the Earth.
The TNO is moving 18.6
km/sec on the sky relative to the star, or,
3.8 arcsec/hr.
The 1-sigma error in the time of the event is 73 seconds.
The 1-sigma cross-track error in the shadow position is
1631 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 12.9 sec chord
Diameter=97.9 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is CENTAURR
Star training set for 470309, (2019/03/14 07:35UT) Object RA Dec mag sep mel Antares 16:30:35.3 -26:28:23 0.9 33.36 166 60Bet Oph 17:44:25.3 +04:33:38 2.8 2.54 155 62Gam Oph 17:48:51.4 +02:42:05 3.8 1.83 156 PPM 164365 17:40:06.8 +02:01:06 7.2 0.47 157 PPM 164389 17:40:53.4 +02:00:31 9.4 0.28 157 PPM 164401 17:41:20.7 +02:06:57 10.2 0.16 157 470309 17:41:57.7 +02:05:46 15.1 157 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 470309, (2019/03/14 07:35UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 33.36 166 60Bet Oph 17:43:28.3 +04:34:05 2.8 2.54 155 62Gam Oph 17:47:53.5 +02:42:25 3.8 1.83 156 PPM 164365 17:39:08.6 +02:01:40 7.2 0.47 157 PPM 164389 17:39:55.2 +02:01:04 9.4 0.28 157 PPM 164401 17:40:22.6 +02:07:29 10.2 0.16 157 470309 17:40:59.6 +02:06:18 15.1 157 Positions are for J2000
Event circumstances last updated at 2018/10/04 19:03:00 UT
Marc W. Buie, Southwest Research Institute