Event between 04KZ18 and star GA0780:06043489 with event index number of 130511
Geocentric closest approach at 2018/07/16 22:18:07 UTC
J2000 position of star is 17:14:30.7 -11:48:58
Equinox of date position of star is 17:15:32.4 -11:50:10
Stellar brightness G=15.9,
use SENSEUP=128
Star is 91 degrees from the moon.
Moon is 20% illuminated.
TNO apparent brightness V=24.0
TNO is 34.7 AU from the Sun
and 33.9 AU from the Earth.
The TNO is moving 18.3
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 612 seconds.
The 1-sigma cross-track error in the shadow position is
3985 km.
The TNO has an absolute magnitude Hv=8.5
Diameter=119.7 km assuming a 5% albedo -- 6.5 sec chord
Diameter=48.9 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is 5:2EEE+5:2EII
Star training set for 04KZ18, (2018/07/16 22:18UT) Object RA Dec mag sep mel Antares 16:30:32.8 -26:28:18 0.9 18.06 83 35Eta Oph 17:11:26.6 -15:44:48 2.6 4.04 90 PPM 232685 17:10:49.5 -10:32:46 5.6 1.73 89 PPM 232885 17:18:54.1 -12:19:54 8.4 0.96 91 PPM 232801 17:15:00.8 -11:36:58 9.3 0.26 90 04KZ18 17:15:32.8 -11:50:11 15.9 91 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 04KZ18, (2018/07/16 22:18UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 18.06 83 35Eta Oph 17:10:22.7 -15:43:29 2.6 4.04 90 PPM 232685 17:09:48.0 -10:31:26 5.6 1.73 89 PPM 232885 17:17:51.8 -12:18:47 8.4 0.96 91 PPM 232801 17:13:58.8 -11:35:45 9.3 0.26 90 04KZ18 17:14:30.7 -11:48:58 15.9 91 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:15:20 UT
Marc W. Buie, Southwest Research Institute