Event between (529938) 10TM182 and star GA1040:00245859 with event index number of 1597453
Geocentric closest approach at 2019/12/07 12:57:14 UTC
J2000 position of star is 02:35:49.3 +14:58:20
Equinox of date position of star is 02:36:53.6 +15:03:23
Stellar brightness G=15.4,
use SENSEUP=128
Star is 21 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=22.3
TNO is 33.7 AU from the Sun
and 32.8 AU from the Earth.
The TNO is moving 19.6
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 81 seconds.
The 1-sigma cross-track error in the shadow position is
1302 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 12.2 sec chord
Diameter=97.9 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is 3:2E
Star training set for 529938, (2019/12/07 12:57UT) Object RA Dec mag sep mel Aldebaran 04:37:04.0 +16:32:52 0.8 28.91 49 Hamal 02:08:18.1 +23:33:21 2.0 10.85 23 29 Ari 02:33:59.8 +15:07:19 6.0 0.71 21 PPM 118374 02:37:17.8 +15:14:03 8.8 0.20 21 529938 02:36:55.1 +15:03:30 15.4 22 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 529938, (2019/12/07 12:57UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 28.91 49 Hamal 02:07:10.7 +23:27:42 2.0 10.85 23 29 Ari 02:32:54.1 +15:02:05 6.0 0.71 21 PPM 118374 02:36:12.0 +15:08:53 8.8 0.20 21 529938 02:35:49.3 +14:58:20 15.4 21 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:24:13 UT
Marc W. Buie, Southwest Research Institute