Event between 11UK413 and star GA1100:01090837 with event index number of 178781
Geocentric closest approach at 2019/01/19 21:02:52 UTC
J2000 position of star is 05:26:08.2 +21:37:11
Equinox of date position of star is 05:27:16.3 +21:38:06
Stellar brightness G=15.5,
use SENSEUP=128
Star is 19 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=22.7
TNO is 41.9 AU from the Sun
and 41.1 AU from the Earth.
The TNO is moving 19.8
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 530 seconds.
The 1-sigma cross-track error in the shadow position is
2651 km.
The TNO has an absolute magnitude Hv=6.4
Diameter=317.7 km assuming a 5% albedo -- 16.1 sec chord
Diameter=129.7 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 11UK413, (2019/01/19 21:03UT) Object RA Dec mag sep mel Aldebaran 04:37:01.0 +16:32:46 0.8 12.91 31 Alnath 05:27:29.9 +28:37:18 1.6 6.99 19 114 Tau 05:28:46.8 +21:57:06 4.7 0.47 18 PPM 094348 05:26:18.4 +20:35:58 6.6 1.06 19 PPM 094354 05:27:02.5 +21:48:05 9.6 0.18 19 11UK413 05:27:16.7 +21:38:06 15.5 18 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 11UK413, (2019/01/19 21:03UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 12.91 31 Alnath 05:26:17.5 +28:36:23 1.6 6.99 19 114 Tau 05:27:38.1 +21:56:13 4.7 0.47 18 PPM 094348 05:25:10.3 +20:35:01 6.6 1.06 19 PPM 094354 05:25:53.8 +21:47:09 9.6 0.18 19 11UK413 05:26:08.2 +21:37:11 15.5 19 Positions are for J2000
Event circumstances last updated at 2018/12/04 05:10:06 UT
Marc W. Buie, Southwest Research Institute