Event between 98UR43 and star GA1160:01385332 with event index number of 333378
Geocentric closest approach at 2019/12/19 14:35:56 UTC
J2000 position of star is 05:33:33.6 +27:54:28
Equinox of date position of star is 05:34:47.0 +27:55:12
Stellar brightness G=13.9,
use SENSEUP=64
Star is 98 degrees from the moon.
Moon is 46% illuminated.
TNO apparent brightness V=23.2
TNO is 30.9 AU from the Sun
and 29.9 AU from the Earth.
The TNO is moving 24.4
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 419 seconds.
The 1-sigma cross-track error in the shadow position is
2198 km.
The TNO has an absolute magnitude Hv=8.3
Diameter=131.2 km assuming a 5% albedo -- 5.4 sec chord
Diameter=53.6 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is 3:2E
Star training set for 98UR43, (2019/12/19 14:36UT) Object RA Dec mag sep mel Aldebaran 04:37:04.1 +16:32:52 0.8 17.52 113 Alnath 05:27:33.3 +28:37:21 1.6 1.75 100 PPM 094572 05:38:23.8 +26:56:06 5.6 1.27 97 PPM 094505 05:35:54.6 +28:03:47 8.3 0.28 98 PPM 094504 05:35:53.8 +27:54:28 9.5 0.24 98 PPM 094478 05:34:37.1 +27:55:03 10.8 0.04 98 98UR43 05:34:49.0 +27:55:13 13.9 98 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 98UR43, (2019/12/19 14:36UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 17.52 113 Alnath 05:26:17.5 +28:36:23 1.6 1.75 100 PPM 094572 05:37:08.9 +26:55:28 5.6 1.27 97 PPM 094505 05:34:39.1 +28:03:04 8.3 0.28 98 PPM 094504 05:34:38.4 +27:53:45 9.5 0.24 98 PPM 094478 05:33:21.7 +27:54:18 10.8 0.04 98 98UR43 05:33:33.6 +27:54:28 13.9 98 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:02:43 UT
Marc W. Buie, Southwest Research Institute