Event between (2060) Chiron and star GDR2_359.880_3.884 with event index number of 148667
Geocentric closest approach at 2018/08/15 23:54:35 UTC
J2000 position of star is 23:59:31.2 +03:53:03
Equinox of date position of star is 00:00:27.8 +03:59:12
Stellar brightness G=15.9,
use SENSEUP=128
Star is 155 degrees from the moon.
Moon is 27% illuminated.
TNO apparent brightness V=18.6
TNO is 18.7 AU from the Sun
and 17.9 AU from the Earth.
The TNO is moving 17.8
km/sec on the sky relative to the star, or,
4.9 arcsec/hr.
The 1-sigma error in the time of the event is 38 seconds.
The 1-sigma cross-track error in the shadow position is
655 km.
The TNO has an absolute magnitude Hv=5.8
Diameter=416.9 km assuming a 5% albedo -- 23.4 sec chord
Diameter=170.2 km assuming a 30% albedo -- 9.6 sec chord
Dynamical classification is CENTAURR
Star training set for 2060, (2018/08/15 23:55UT) Object RA Dec mag sep mel Fomalhaut 22:58:40.5 -29:31:23 1.2 36.64 128 Algenib 00:14:11.8 +15:17:13 2.8 11.79 156 22 Psc 23:52:55.1 +03:02:02 5.5 2.11 153 PPM 143103 00:04:37.4 +04:00:38 8.1 1.03 156 PPM 174631 23:59:53.5 +04:22:38 9.1 0.42 155 PPM 174638 00:00:16.3 +04:08:15 10.5 0.16 155 2060 00:00:28.5 +03:59:17 15.9 155 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 2060, (2018/08/15 23:55UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 36.64 128 Algenib 00:13:14.2 +15:11:01 2.8 11.79 156 22 Psc 23:51:57.9 +02:55:49 5.5 2.11 153 PPM 143103 00:03:40.1 +03:54:25 8.1 1.03 156 PPM 174631 23:58:56.2 +04:16:24 9.1 0.42 155 PPM 174638 23:59:19.0 +04:02:02 10.5 0.16 155 2060 23:59:31.2 +03:53:03 15.9 155 Positions are for J2000
Event circumstances last updated at 2018/05/24 17:56:43 UT
Marc W. Buie, Southwest Research Institute