Event between 14YY49 and star GA0900:02490361 with event index number of 161122
Geocentric closest approach at 2018/10/20 18:56:00 UTC
J2000 position of star is 07:11:50.6 +01:50:35
Equinox of date position of star is 07:12:48.1 +01:48:40
Stellar brightness G=15.6,
use SENSEUP=128
Star is 124 degrees from the moon.
Moon is 85% illuminated.
TNO apparent brightness V=23.0
TNO is 18.4 AU from the Sun
and 18.3 AU from the Earth.
The TNO is moving 10.1
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 69 seconds.
The 1-sigma cross-track error in the shadow position is
2455 km.
The TNO has an absolute magnitude Hv=10.1
Diameter=58.3 km assuming a 5% albedo -- 5.8 sec chord
Diameter=23.8 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 14YY49, (2018/10/20 18:56UT) Object RA Dec mag sep mel Sirius 06:45:58.6 -16:44:35 -1.5 19.70 112 Alhena 06:38:47.9 +16:22:54 1.9 16.81 117 PPM 152385 07:20:21.3 +02:42:17 5.9 2.08 126 PPM 152051 07:10:28.4 +01:53:19 7.4 0.59 123 PPM 152117 07:12:20.3 +01:36:22 9.2 0.24 124 14YY49 07:12:49.2 +01:48:38 15.6 124 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 14YY49, (2018/10/20 18:56UT) Object RA Dec mag sep mel Sirius 06:45:08.2 -16:43:20 -1.5 19.70 112 Alhena 06:37:42.8 +16:23:57 1.9 16.81 117 PPM 152385 07:19:22.4 +02:44:26 5.9 2.08 126 PPM 152051 07:09:29.8 +01:55:13 7.4 0.59 123 PPM 152117 07:11:21.8 +01:38:18 9.2 0.24 124 14YY49 07:11:50.6 +01:50:35 15.6 124 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:30:50 UT
Marc W. Buie, Southwest Research Institute