Event between 13HZ156 and star GA0900:04295021 with event index number of 264852
Geocentric closest approach at 2018/06/28 12:29:58 UTC
J2000 position of star is 15:28:30.8 +01:27:23
Equinox of date position of star is 15:29:27.0 +01:23:37
Stellar brightness G=15.4,
use SENSEUP=128
Star is 53 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=22.9
TNO is 37.6 AU from the Sun
and 37.0 AU from the Earth.
The TNO is moving 16.3
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 381 seconds.
The 1-sigma cross-track error in the shadow position is
1450 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=237.7 km assuming a 5% albedo -- 14.6 sec chord
Diameter=97.0 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 13HZ156, (2018/06/28 12:30UT) Object RA Dec mag sep mel Arcturus 14:16:30.3 +19:05:13 0.0 25.14 77 Unukalhai 15:45:10.8 +06:22:07 2.6 6.33 52 10 Ser 15:29:34.4 +01:46:44 5.2 0.39 53 PPM 161605 15:29:29.7 +00:32:39 7.9 0.85 52 PPM 161617 15:30:07.2 +01:23:31 9.6 0.17 53 13HZ156 15:29:27.2 +01:23:37 15.4 52 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 13HZ156, (2018/06/28 12:30UT) Object RA Dec mag sep mel Arcturus 14:15:38.3 +19:10:20 0.0 25.14 77 Unukalhai 15:44:16.3 +06:25:33 2.6 6.33 52 10 Ser 15:28:38.1 +01:50:31 5.2 0.39 53 PPM 161605 15:28:33.0 +00:36:25 7.9 0.85 52 PPM 161617 15:29:10.8 +01:27:17 9.6 0.17 53 13HZ156 15:28:30.8 +01:27:23 15.4 53 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:11:11 UT
Marc W. Buie, Southwest Research Institute