Event between (250112) 02KY14 and star GA1000:01635921 with event index number of 177246
Geocentric closest approach at 2019/02/02 20:57:49 UTC
J2000 position of star is 06:19:34.8 +11:58:32
Equinox of date position of star is 06:20:36.7 +11:58:00
Stellar brightness G=15.5,
use SENSEUP=128
Star is 160 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=21.0
TNO is 13.0 AU from the Sun
and 12.2 AU from the Earth.
The TNO is moving 16.4
km/sec on the sky relative to the star, or,
6.6 arcsec/hr.
The 1-sigma error in the time of the event is 66 seconds.
The 1-sigma cross-track error in the shadow position is
576 km.
The TNO has an absolute magnitude Hv=9.7
Diameter=69.2 km assuming a 5% albedo -- 4.2 sec chord
Diameter=28.2 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 250112, (2019/02/02 20:58UT) Object RA Dec mag sep mel Betelgeuse 05:56:12.4 +07:24:33 0.4 7.55 152 Alhena 06:38:48.9 +16:22:53 1.9 6.23 166 PPM 122323 06:21:56.1 +11:44:47 6.4 0.38 160 PPM 122292 06:20:45.4 +12:16:59 7.5 0.32 160 PPM 122306 06:21:23.2 +11:58:03 8.7 0.18 160 250112 06:20:38.9 +11:57:59 15.5 160 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, (2019/02/02 20:58UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 7.55 152 Alhena 06:37:42.8 +16:23:57 1.9 6.23 166 PPM 122323 06:20:52.1 +11:45:22 6.4 0.38 160 PPM 122292 06:19:41.1 +12:17:33 7.5 0.32 160 PPM 122306 06:20:19.1 +11:58:38 8.7 0.18 160 250112 06:19:34.8 +11:58:32 15.5 160 Positions are for J2000
Event circumstances last updated at 2018/06/11 22:35:21 UT
Marc W. Buie, Southwest Research Institute