Event between (523776) 14YB50 and star GA1180:03197016 with event index number of 1029805
Geocentric closest approach at 2020/12/13 01:29:03 UTC
J2000 position of star is 08:40:58.3 +29:23:59
Equinox of date position of star is 08:42:14.7 +29:19:27
Stellar brightness G=15.1,
use SENSEUP=128
Star is 114 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=22.0
TNO is 37.7 AU from the Sun
and 37.0 AU from the Earth.
The TNO is moving 18.5
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 98 seconds.
The 1-sigma cross-track error in the shadow position is
1795 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=366.5 km assuming a 5% albedo -- 19.8 sec chord
Diameter=149.6 km assuming a 30% albedo -- 8.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 523776, (2020/12/13 01:29UT) Object RA Dec mag sep mel Pollux 07:46:35.7 +27:58:26 1.1 12.28 125 48Iot Cnc 08:47:57.6 +28:40:55 4.0 1.40 112 PPM 099012 08:46:46.8 +28:22:05 7.9 1.38 112 PPM 098926 08:41:22.4 +29:12:28 9.7 0.22 114 523776 08:42:14.7 +29:19:27 15.1 113 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 523776, (2020/12/13 01:29UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 12.28 125 48Iot Cnc 08:46:41.8 +28:45:35 4.0 1.40 112 PPM 099012 08:45:31.0 +28:26:44 7.9 1.38 112 PPM 098926 08:40:06.0 +29:16:59 9.7 0.22 114 523776 08:40:58.3 +29:23:59 15.1 113 Positions are for J2000
Event circumstances last updated at 2020/12/05 21:57:20 UT
Marc W. Buie, Southwest Research Institute