Event between 04KF19 and star UC4-344-079333 with event index number of 126420
Geocentric closest approach at 2017/09/13 21:39:05 UTC
J2000 position of star is 16:15:38.9 -21:22:58
Equinox of date position of star is 16:16:40.3 -21:25:30
Stellar brightness R=12.2,
use SENSEUP=16
Star is 156 degrees from the moon.
Moon is 43% illuminated.
TNO apparent brightness V=23.4
TNO is 41.3 AU from the Sun
and 41.6 AU from the Earth.
The TNO is moving 13.0
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 586 seconds.
The 1-sigma cross-track error in the shadow position is
4065 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=227.0 km assuming a 5% albedo -- 17.5 sec chord
Diameter=92.7 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 04KF19, (2017/09/13 21:39UT) Object RA Dec mag sep mel Antares 16:30:29.7 -26:28:11 0.9 5.95 158 8Bet1Sco 16:06:28.1 -19:51:09 2.6 2.86 153 PPM 265352 16:18:01.4 -20:08:48 6.5 1.32 156 PPM 265351 16:18:01.5 -21:20:49 7.2 0.32 156 PPM 265316 16:16:31.4 -21:37:55 9.1 0.21 156 PPM 265336 16:17:28.1 -21:19:55 10.2 0.20 156 04KF19 16:16:41.7 -21:25:33 12.2 156 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 04KF19, (2017/09/13 21:39UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:55 0.9 5.95 158 8Bet1Sco 16:05:26.2 -19:48:20 2.6 2.86 153 PPM 265352 16:16:59.2 -20:06:15 6.5 1.32 156 PPM 265351 16:16:58.8 -21:18:15 7.2 0.32 156 PPM 265316 16:15:28.6 -21:35:20 9.1 0.21 156 PPM 265336 16:16:25.3 -21:17:21 10.2 0.20 156 04KF19 16:15:38.9 -21:22:58 12.2 156 Positions are for J2000
Event circumstances last updated at 2017/04/24 16:11:30 UT
Marc W. Buie, Southwest Research Institute