Event between (493480) 14YZ49 and star GA1000:03648341 with event index number of 2165016
Geocentric closest approach at 2025/06/03 11:06:09 UTC
J2000 position of star is 12:57:12.6 +10:16:28
Equinox of date position of star is 12:58:26.4 +10:08:34
Stellar brightness G=12.6,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 27 degrees from the moon.
Moon is 53% illuminated.
Apparent brightness V=21.4
Object is 39.5 AU from the Sun
and 39.1 AU from the Earth.
Apparent velocity is 10.5
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 154 seconds.
The 1-sigma cross-track error in the shadow position is
1455 km.
The object has an absolute magnitude Hv=5.3
Diameter=517.6 km assuming a 5% albedo -- 50.4 sec chord
Diameter=211.3 km assuming a 30% albedo -- 20.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 493480, (2025/06/03 11:09UT) Object RA Dec mag sep mel Arcturus 14:16:49.6 +19:03:12 0.0 20.92 47 Vindemiatrix 13:03:26.6 +10:49:23 2.8 1.40 28 41 Vir 12:55:06.2 +12:16:50 6.1 2.30 26 PPM 129459 12:58:02.6 +10:22:20 8.4 0.26 26 PPM 129473 12:59:01.0 +10:05:45 10.4 0.14 27 493480 12:58:29.3 +10:08:15 12.6 27 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 493480, (2025/06/03 11:09UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 20.92 47 Vindemiatrix 13:02:10.2 +10:57:33 2.8 1.40 28 41 Vir 12:53:49.8 +12:25:05 6.1 2.30 26 PPM 129459 12:56:45.9 +10:30:34 8.4 0.26 26 PPM 129473 12:57:44.3 +10:13:58 10.4 0.14 27 493480 12:57:12.6 +10:16:28 12.6 26 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:51:52 UT
Marc W. Buie, Southwest Research Institute