Event between 16GR206 and star GA0960:03916835 with event index number of 311120
Geocentric closest approach at 2020/01/31 06:04:59 UTC
J2000 position of star is 13:28:40.7 +06:03:04
Equinox of date position of star is 13:29:40.5 +05:56:57
Stellar brightness G=16.3,
use SENSEUP=128
Star is 171 degrees from the moon.
Moon is 33% illuminated.
TNO apparent brightness V=22.3
TNO is 18.8 AU from the Sun
and 18.4 AU from the Earth.
The TNO is moving 7.7
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 206 seconds.
The 1-sigma cross-track error in the shadow position is
2659 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=83.9 km assuming a 5% albedo -- 10.9 sec chord
Diameter=34.3 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CENTAURR
Star training set for 16GR206, (2020/01/31 06:05UT) Object RA Dec mag sep mel Spica 13:26:15.2 -11:15:56 1.0 17.23 172 Vindemiatrix 13:03:10.6 +10:51:06 2.8 8.19 165 PPM 159803 13:31:00.6 +07:04:32 6.2 1.17 169 PPM 159802 13:30:58.3 +05:54:38 7.6 0.32 170 PPM 159787 13:30:02.7 +05:52:26 11.0 0.12 171 16GR206 13:29:41.4 +05:56:51 16.3 171 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 16GR206, (2020/01/31 06:05UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 17.23 172 Vindemiatrix 13:02:10.2 +10:57:33 2.8 8.19 165 PPM 159803 13:30:00.1 +07:10:44 6.2 1.17 169 PPM 159802 13:29:57.7 +06:00:50 7.6 0.32 170 PPM 159787 13:29:02.0 +05:58:38 11.0 0.12 171 16GR206 13:28:40.7 +06:03:04 16.3 170 Positions are for J2000
Event circumstances last updated at 2019/10/15 22:06:40 UT
Marc W. Buie, Southwest Research Institute