Event between (471325) 11KT19 and star GA1080:03789196 with event index number of 2381405
Geocentric closest approach at 2024/05/07 12:29:29 UTC
J2000 position of star is 15:43:47.8 +19:10:15
Equinox of date position of star is 15:44:51.0 +19:05:52
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 139 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=22.2
Object is 29.5 AU from the Sun
and 28.7 AU from the Earth.
Apparent velocity is 32.5
km/sec on the sky relative to the star, or,
5.6 arcsec/hr.
The 1-sigma error in the time of the event is 34 seconds.
The 1-sigma cross-track error in the shadow position is
1356 km.
The object has an absolute magnitude Hv=7.4
Diameter=193.2 km assuming a 5% albedo -- 6.0 sec chord
Diameter=78.9 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
Star training set for 471325, (2024/05/07 12:29UT) Object RA Dec mag sep mel Arcturus 14:16:46.6 +19:03:29 0.0 20.80 144 Alphekka 15:35:43.2 +26:38:03 2.2 7.83 133 21Iot Ser 15:42:38.3 +19:35:36 4.6 0.73 139 22Tau7Ser 15:43:00.6 +18:23:16 6.0 0.84 140 PPM 131628 15:43:52.1 +18:54:39 9.9 0.30 140 471325 15:44:53.3 +19:05:42 16.9 139 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 471325, (2024/05/07 12:29UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 20.80 144 Alphekka 15:34:41.5 +26:42:51 2.2 7.83 133 21Iot Ser 15:41:33.0 +19:40:13 4.6 0.73 139 22Tau7Ser 15:41:54.7 +18:27:52 6.0 0.84 140 PPM 131628 15:42:46.5 +18:59:13 9.9 0.30 140 471325 15:43:47.8 +19:10:15 16.9 139 Positions are for J2000
Event circumstances last updated at 2023/07/04 04:10:21 UT
Marc W. Buie, Southwest Research Institute