Event between (471196) 10PK66 and star GA0740:29203630 with event index number of 2654988
Geocentric closest approach at 2023/07/25 20:40:34 UTC
J2000 position of star is 21:44:42.3 -15:56:40
Equinox of date position of star is 21:45:59.6 -15:50:08
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 111 degrees from the moon.
Moon is 50% illuminated.
Apparent brightness V=21.7
Object is 40.8 AU from the Sun
and 39.8 AU from the Earth.
Apparent velocity is 22.9
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 77 seconds.
The 1-sigma cross-track error in the shadow position is
1604 km.
The object has an absolute magnitude Hv=5.6
Diameter=446.7 km assuming a 5% albedo -- 19.7 sec chord
Diameter=182.4 km assuming a 30% albedo -- 8.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 471196, (2023/07/25 20:43UT) Object RA Dec mag sep mel Fomalhaut 22:58:56.8 -29:29:48 1.2 21.62 119 45 Cap 21:45:18.0 -14:38:25 6.4 1.21 111 PPM 239277 21:45:36.4 -15:51:47 7.8 0.10 111 471196 21:45:59.8 -15:50:07 16.7 111 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 471196, (2023/07/25 20:43UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 21.62 119 45 Cap 21:44:00.9 -14:44:57 6.4 1.21 111 PPM 239277 21:44:19.0 -15:58:19 7.8 0.10 111 471196 21:44:42.3 -15:56:40 16.7 111 Positions are for J2000
Event circumstances last updated at 2023/07/04 04:03:15 UT
Marc W. Buie, Southwest Research Institute