Event between 12JD68 and star GA0940:04597692 with event index number of 1557449
Geocentric closest approach at 2020/02/17 14:17:47 UTC
J2000 position of star is 16:57:25.6 +04:03:55
Equinox of date position of star is 16:58:23.8 +04:02:10
Stellar brightness G=16.5,
use SENSEUP=128
Star is 26 degrees from the moon.
Moon is 33% illuminated.
TNO apparent brightness V=22.9
TNO is 28.0 AU from the Sun
and 28.2 AU from the Earth.
The TNO is moving 20.0
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 147 seconds.
The 1-sigma cross-track error in the shadow position is
2034 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=140.6 km assuming a 5% albedo -- 7.0 sec chord
Diameter=57.4 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 12JD68, (2020/02/17 14:18UT) Object RA Dec mag sep mel Antares 16:30:38.7 -26:28:30 0.9 31.24 11 60Bet Oph 17:44:28.1 +04:33:37 2.8 11.49 27 45 Her 16:48:46.0 +05:12:44 5.1 2.68 27 PPM 163499 17:06:23.8 +03:24:45 7.7 2.08 25 PPM 163299 16:58:02.8 +03:53:06 9.8 0.18 26 12JD68 16:58:25.7 +04:02:07 16.5 26 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 12JD68, (2020/02/17 14:18UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 31.24 11 60Bet Oph 17:43:28.3 +04:34:05 2.8 11.49 27 45 Her 16:47:46.4 +05:14:48 5.1 2.68 27 PPM 163499 17:05:23.5 +03:26:19 7.7 2.08 25 PPM 163299 16:57:02.7 +03:54:55 9.8 0.18 26 12JD68 16:57:25.6 +04:03:55 16.5 26 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:29:40 UT
Marc W. Buie, Southwest Research Institute