Event between (523757) 14WH509 and star GA1200:03276224 with event index number of 2294814
Geocentric closest approach at 2025/02/22 00:30:51 UTC
J2000 position of star is 09:20:54.4 +31:58:13
Equinox of date position of star is 09:22:22.1 +31:51:57
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 126 degrees from the moon.
Moon is 38% illuminated.
Apparent brightness V=21.5
Object is 43.6 AU from the Sun
and 42.7 AU from the Earth.
Apparent velocity is 24.0
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 77 seconds.
The 1-sigma cross-track error in the shadow position is
1569 km.
The object has an absolute magnitude Hv=5.1
Diameter=557.2 km assuming a 5% albedo -- 23.9 sec chord
Diameter=227.5 km assuming a 30% albedo -- 9.8 sec chord
Dynamical classification is SCATEXTD
Star training set for 523757, (2025/02/22 00:32UT) Object RA Dec mag sep mel Pollux 07:46:51.2 +27:57:48 1.1 21.03 145 40Alp Lyn 09:22:34.9 +34:17:05 3.1 2.42 126 PPM 074436 09:23:10.1 +32:09:21 7.1 0.33 125 PPM 074442 09:23:44.8 +31:47:24 9.4 0.29 125 523757 09:22:25.1 +31:51:44 14.1 125 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 523757, (2025/02/22 00:32UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 21.03 145 40Alp Lyn 09:21:02.9 +34:23:34 3.1 2.42 126 PPM 074436 09:21:39.3 +32:15:50 7.1 0.33 125 PPM 074442 09:22:14.3 +31:53:54 9.4 0.29 125 523757 09:20:54.4 +31:58:13 14.1 126 Positions are for J2000
Event circumstances last updated at 2024/04/23 03:21:48 UT
Marc W. Buie, Southwest Research Institute