Event between 04KV18 and star GA0720:13868173 with event index number of 195254
Geocentric closest approach at 2019/06/25 13:46:23 UTC
J2000 position of star is 17:43:30.9 -16:06:47
Equinox of date position of star is 17:44:38.1 -16:07:14
Stellar brightness G=15.6,
use SENSEUP=128
Star is 100 degrees from the moon.
Moon is 49% illuminated.
TNO apparent brightness V=23.7
TNO is 29.8 AU from the Sun
and 28.8 AU from the Earth.
The TNO is moving 23.8
km/sec on the sky relative to the star, or,
4.1 arcsec/hr.
The 1-sigma error in the time of the event is 238 seconds.
The 1-sigma cross-track error in the shadow position is
1781 km.
The TNO has an absolute magnitude Hv=9.0
Diameter=95.5 km assuming a 5% albedo -- 4.0 sec chord
Diameter=39.0 km assuming a 30% albedo -- 1.6 sec chord
Dynamical classification is CENTAURR
Star training set for 04KV18, (2019/06/25 13:46UT) Object RA Dec mag sep mel Antares 16:30:36.3 -26:28:25 0.9 20.08 115 35Eta Oph 17:11:29.8 -15:44:52 2.6 7.98 108 PPM 233351 17:38:43.3 -15:34:53 6.2 1.52 102 PPM 233491 17:43:47.4 -15:34:02 7.5 0.59 100 PPM 233503 17:44:26.7 -16:12:25 9.9 0.10 100 04KV18 17:44:38.3 -16:07:14 15.6 100 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 04KV18, (2019/06/25 13:46UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.08 115 35Eta Oph 17:10:22.7 -15:43:29 2.6 7.98 108 PPM 233351 17:37:36.2 -15:34:15 6.2 1.52 102 PPM 233491 17:42:40.3 -15:33:33 7.5 0.59 100 PPM 233503 17:43:19.2 -16:11:57 9.9 0.10 100 04KV18 17:43:30.9 -16:06:47 15.6 100 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:20:14 UT
Marc W. Buie, Southwest Research Institute