Event between 17OF69 and star GA0840:19344364 with event index number of 2167580
Geocentric closest approach at 2023/07/19 23:02:14 UTC
J2000 position of star is 20:34:52.2 -04:15:07
Equinox of date position of star is 20:36:06.3 -04:10:11
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 158 degrees from the moon.
Moon is 4% illuminated.
Apparent brightness V=20.5
Object is 42.9 AU from the Sun
and 42.0 AU from the Earth.
Apparent velocity is 24.3
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 67 seconds.
The 1-sigma cross-track error in the shadow position is
1546 km.
The object has an absolute magnitude Hv=4.2
Diameter=843.4 km assuming a 5% albedo -- 35.5 sec chord
Diameter=344.3 km assuming a 30% albedo -- 14.5 sec chord
Dynamical classification is 3:2E
Star training set for 17OF69, (2023/07/19 23:01UT) Object RA Dec mag sep mel Fomalhaut 22:58:56.8 -29:29:49 1.2 42.21 159 Tarazed 19:47:22.7 +10:40:20 2.7 19.17 139 70 Aql 20:37:57.1 -02:28:01 4.9 1.76 158 PPM 204224 20:36:54.3 -04:38:21 8.1 0.51 159 PPM 204209 20:36:12.7 -04:12:18 9.5 0.04 158 17OF69 20:36:06.4 -04:10:11 16.0 159 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 17OF69, (2023/07/19 23:01UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 42.21 159 Tarazed 19:46:15.6 +10:36:48 2.7 19.17 139 70 Aql 20:36:43.7 -02:33:00 4.9 1.76 158 PPM 204224 20:35:39.9 -04:43:19 8.1 0.51 159 PPM 204209 20:34:58.4 -04:17:15 9.5 0.04 158 17OF69 20:34:52.2 -04:15:07 16.0 158 Positions are for J2000
Event circumstances last updated at 2023/07/03 03:25:40 UT
Marc W. Buie, Southwest Research Institute