Event between (250112) 02KY14 and star GA0980:02579009 with event index number of 356226
Geocentric closest approach at 2019/12/06 02:36:39 UTC
J2000 position of star is 07:01:44.6 +09:30:25
Equinox of date position of star is 07:02:48.5 +09:28:41
Stellar brightness G=15.4,
use SENSEUP=128
Star is 101 degrees from the moon.
Moon is 67% illuminated.
TNO apparent brightness V=21.1
TNO is 13.4 AU from the Sun
and 12.6 AU from the Earth.
The TNO is moving 19.4
km/sec on the sky relative to the star, or,
7.6 arcsec/hr.
The 1-sigma error in the time of the event is 91 seconds.
The 1-sigma cross-track error in the shadow position is
828 km.
The TNO has an absolute magnitude Hv=9.7
Diameter=69.2 km assuming a 5% albedo -- 3.6 sec chord
Diameter=28.2 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 250112, (2019/12/06 02:37UT) Object RA Dec mag sep mel Betelgeuse 05:56:15.1 +07:24:33 0.4 16.59 84 Alhena 06:38:51.8 +16:22:50 1.9 9.04 95 PPM 151820 07:04:23.3 +09:06:28 6.0 0.53 101 PPM 151767 07:02:45.3 +09:41:02 8.9 0.21 101 PPM 151785 07:03:13.9 +09:31:49 10.4 0.11 101 250112 07:02:50.2 +09:28:38 15.4 101 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 250112, (2019/12/06 02:37UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 16.59 84 Alhena 06:37:42.8 +16:23:57 1.9 9.04 95 PPM 151820 07:03:17.9 +09:08:18 6.0 0.53 101 PPM 151767 07:01:39.6 +09:42:49 8.9 0.21 101 PPM 151785 07:02:08.3 +09:33:37 10.4 0.11 101 250112 07:01:44.6 +09:30:25 15.4 101 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:57:16 UT
Marc W. Buie, Southwest Research Institute