Event between (548141) 10CD270 and star GA1040:03564029 with event index number of 2399687
Geocentric closest approach at 2024/05/17 19:37:09 UTC
J2000 position of star is 12:47:41.6 +14:33:23
Equinox of date position of star is 12:48:54.7 +14:25:26
Stellar brightness G=13.4,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 20 degrees from the moon.
Moon is 72% illuminated.
Apparent brightness V=22.1
Object is 25.0 AU from the Sun
and 24.4 AU from the Earth.
Apparent velocity is 13.7
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 82 seconds.
The 1-sigma cross-track error in the shadow position is
911 km.
The object has an absolute magnitude Hv=8.0
Diameter=145.2 km assuming a 5% albedo -- 10.9 sec chord
Diameter=59.3 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is CENTAURR
Star training set for 548141, (2024/05/17 19:36UT) Object RA Dec mag sep mel Arcturus 14:16:46.7 +19:03:29 0.0 21.52 41 Vindemiatrix 13:03:23.5 +10:49:43 2.8 5.04 22 29 Com 12:50:07.5 +13:59:24 5.6 0.52 20 28 Com 12:49:27.6 +13:25:13 6.1 1.01 20 29 Com 12:50:07.5 +13:59:24 5.6 0.52 20 PPM 129354 12:50:01.4 +14:37:32 11.0 0.34 20 548141 12:48:54.8 +14:25:25 13.4 20 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 548141, (2024/05/17 19:36UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 21.52 41 Vindemiatrix 13:02:10.2 +10:57:33 2.8 5.04 22 29 Com 12:48:54.2 +14:07:21 5.6 0.52 20 28 Com 12:48:14.3 +13:33:10 6.1 1.01 20 29 Com 12:48:54.2 +14:07:21 5.6 0.52 20 PPM 129354 12:48:48.3 +14:45:30 11.0 0.34 20 548141 12:47:41.6 +14:33:23 13.4 20 Positions are for J2000
Event circumstances last updated at 2024/05/05 03:29:02 UT
Marc W. Buie, Southwest Research Institute