Event between 04KV18 and star UC4-366-085318 with event index number of 123791
Geocentric closest approach at 2017/08/14 21:35:07 UTC
J2000 position of star is 17:20:14.2 -16:49:58
Equinox of date position of star is 17:21:14.6 -16:50:58
Stellar brightness R=16.4,
use SENSEUP=128
Star is 150 degrees from the moon.
Moon is 52% illuminated.
TNO apparent brightness V=23.8
TNO is 29.4 AU from the Sun
and 28.9 AU from the Earth.
The TNO is moving 8.5
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 701 seconds.
The 1-sigma cross-track error in the shadow position is
1618 km.
The TNO has an absolute magnitude Hv=9.0
Diameter=95.5 km assuming a 5% albedo -- 11.2 sec chord
Diameter=39.0 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is CENTAURR
Star training set for 04KV18, (2017/08/14 21:35UT) Object RA Dec mag sep mel Antares 16:30:29.4 -26:28:11 0.9 15.20 158 35Eta Oph 17:11:23.4 -15:44:44 2.6 2.61 152 PPM 232892 17:19:20.2 -16:19:45 5.9 0.69 150 PPM 232901 17:19:40.1 -16:02:50 8.1 0.89 150 PPM 232948 17:21:35.2 -16:55:37 9.2 0.11 150 04KV18 17:21:15.4 -16:50:58 16.4 150 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, (2017/08/14 21:35UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.20 158 35Eta Oph 17:10:22.7 -15:43:29 2.6 2.61 152 PPM 232892 17:18:19.3 -16:18:42 5.9 0.69 150 PPM 232901 17:18:39.2 -16:01:47 8.1 0.89 150 PPM 232948 17:20:33.9 -16:54:37 9.2 0.11 150 04KV18 17:20:14.2 -16:49:58 16.4 150 Positions are for J2000
Event circumstances last updated at 2017/05/14 18:36:21 UT
Marc W. Buie, Southwest Research Institute