Event between 09JE19 and star GA0940:03951580 with event index number of 2363603
Geocentric closest approach at 2022/01/14 08:38:07 UTC
J2000 position of star is 14:45:51.0 +05:55:35
Equinox of date position of star is 14:46:55.9 +05:50:09
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 137 degrees from the moon.
Moon is 89% illuminated.
TNO apparent brightness V=21.6
TNO is 29.6 AU from the Sun
and 29.8 AU from the Earth.
The TNO is moving 17.2
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 387 seconds.
The 1-sigma cross-track error in the shadow position is
2518 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=218.8 km assuming a 5% albedo -- 15.8 sec chord
Diameter=89.3 km assuming a 30% albedo -- 6.4 sec chord
Dynamical classification is 3:2E
Star training set for 09JE19, (2022/01/14 08:38UT) Object RA Dec mag sep mel Arcturus 14:16:40.1 +19:04:08 0.0 15.15 123 Unukalhai 15:45:21.3 +06:21:28 2.6 14.53 146 31 Boo 14:42:43.8 +08:04:07 5.8 2.47 135 PPM 160988 14:49:59.0 +05:51:47 7.5 0.76 138 PPM 160920 14:45:36.8 +06:17:00 9.2 0.56 137 PPM 160942 14:46:50.5 +05:58:09 10.1 0.14 137 09JE19 14:46:56.7 +05:50:05 16.0 138 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 09JE19, (2022/01/14 08:38UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 15.15 123 Unukalhai 15:44:16.3 +06:25:33 2.6 14.53 146 31 Boo 14:41:38.7 +08:09:42 5.8 2.47 135 PPM 160988 14:48:53.3 +05:57:14 7.5 0.76 138 PPM 160920 14:44:31.2 +06:22:31 9.2 0.56 137 PPM 160942 14:45:44.8 +06:03:40 10.1 0.14 137 09JE19 14:45:51.0 +05:55:35 16.0 137 Positions are for J2000
Event circumstances last updated at 2021/10/09 01:01:53 UT
Marc W. Buie, Southwest Research Institute