Event between (55565) 02AW197 and star GA0840:03886137 with event index number of 2250752
Geocentric closest approach at 2024/05/10 10:39:16 UTC
J2000 position of star is 10:07:27.3 -05:53:49
Equinox of date position of star is 10:08:40.4 -06:00:59
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 78 degrees from the moon.
Moon is 7% illuminated.
Apparent brightness V=20.1
Object is 44.8 AU from the Sun
and 44.5 AU from the Earth.
Apparent velocity is 7.8
km/sec on the sky relative to the star, or,
0.9 arcsec/hr.
The 1-sigma error in the time of the event is 222 seconds.
The 1-sigma cross-track error in the shadow position is
1762 km.
The object has an absolute magnitude Hv=3.5
Diameter=1219.0 km assuming a 5% albedo -- 158.5 sec chord
Diameter=497.7 km assuming a 30% albedo -- 64.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 55565, (2024/05/10 10:42UT) Object RA Dec mag sep mel Regulus 10:09:40.0 +11:50:50 1.3 17.87 69 Alphard 09:28:47.1 -08:45:55 2.0 10.26 70 17 Sex 10:11:20.2 -08:31:44 6.0 2.60 79 PPM 193096 10:08:19.2 -05:41:10 7.8 0.34 77 PPM 193111 10:09:10.4 -05:50:17 8.6 0.22 77 55565 10:08:40.6 -06:01:00 13.8 78 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 55565, (2024/05/10 10:42UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 17.87 69 Alphard 09:27:35.2 -08:39:30 2.0 10.26 70 17 Sex 10:10:07.5 -08:24:30 6.0 2.60 79 PPM 193096 10:07:05.8 -05:33:59 7.8 0.34 77 PPM 193111 10:07:57.0 -05:43:05 8.6 0.22 77 55565 10:07:27.3 -05:53:49 13.8 77 Positions are for J2000
Event circumstances last updated at 2024/04/23 03:20:39 UT
Marc W. Buie, Southwest Research Institute