Event between 14UM229 and star GA1060:00270674 with event index number of 2736702
Geocentric closest approach at 2023/07/08 07:44:02 UTC
J2000 position of star is 02:34:34.6 +16:58:30
Equinox of date position of star is 02:35:47.7 +17:04:12
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 49 degrees from the moon.
Moon is 69% illuminated.
TNO apparent brightness V=24.4
TNO is 37.9 AU from the Sun
and 38.4 AU from the Earth.
The TNO is moving 18.0
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 255 seconds.
The 1-sigma cross-track error in the shadow position is
3015 km.
The TNO has an absolute magnitude Hv=8.4
Diameter=124.7 km assuming a 5% albedo -- 6.9 sec chord
Diameter=50.9 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is 7:4EEE
Star training set for 14UM229, (2023/07/08 07:44UT) Object RA Dec mag sep mel Aldebaran 04:37:16.4 +16:33:17 0.8 29.03 76 Hamal 02:08:30.3 +23:34:21 2.0 9.13 46 27 Ari 02:32:12.9 +17:48:24 6.2 1.14 48 PPM 118362 02:36:59.1 +16:42:52 8.9 0.45 49 PPM 118339 02:35:16.8 +17:06:28 11.0 0.15 49 14UM229 02:35:53.0 +17:04:37 14.1 49 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 14UM229, (2023/07/08 07:44UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 29.03 76 Hamal 02:07:10.7 +23:27:41 2.0 9.13 46 27 Ari 02:30:54.4 +17:42:12 6.2 1.14 48 PPM 118362 02:35:40.8 +16:36:47 8.9 0.45 49 PPM 118339 02:33:58.5 +17:00:20 11.0 0.15 49 14UM229 02:34:34.6 +16:58:30 14.1 49 Positions are for J2000
Event circumstances last updated at 2021/12/02 01:26:44 UT
Marc W. Buie, Southwest Research Institute