Event between (601690) 13KZ18 and star GA1280:00092447 with event index number of 2733077
Geocentric closest approach at 2025/02/13 18:48:49 UTC
J2000 position of star is 00:21:33.6 +38:43:29
Equinox of date position of star is 00:22:48.8 +38:51:21
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 127 degrees from the moon.
Moon is 99% illuminated.
Apparent brightness V=22.4
Object is 20.8 AU from the Sun
and 21.2 AU from the Earth.
Apparent velocity is 26.4
km/sec on the sky relative to the star, or,
6.2 arcsec/hr.
The 1-sigma error in the time of the event is 46 seconds.
The 1-sigma cross-track error in the shadow position is
1161 km.
The object has an absolute magnitude Hv=8.9
Diameter=100.5 km assuming a 5% albedo -- 3.9 sec chord
Diameter=41.0 km assuming a 30% albedo -- 1.6 sec chord
Dynamical classification is CENTAURR
Star training set for 601690, (2025/02/13 18:48UT) Object RA Dec mag sep mel Deneb 20:42:17.3 +45:22:16 1.3 40.61 118 Scheat 23:04:59.7 +28:13:10 2.4 19.34 142 27Rho And 00:22:27.1 +38:06:27 5.2 0.76 127 PPM 065251 00:24:17.4 +38:53:36 8.1 0.27 127 PPM 065231 00:22:56.4 +38:42:39 10.0 0.15 127 PPM 065233 00:22:58.2 +38:43:33 11.0 0.14 127 601690 00:22:53.4 +38:51:50 15.4 126 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 601690, (2025/02/13 18:48UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 40.61 118 Scheat 23:03:46.8 +28:05:01 2.4 19.34 142 27Rho And 00:21:07.4 +37:58:06 5.2 0.76 127 PPM 065251 00:22:57.4 +38:45:15 8.1 0.27 127 PPM 065231 00:21:36.6 +38:34:18 10.0 0.15 127 PPM 065233 00:21:38.4 +38:35:12 11.0 0.14 127 601690 00:21:33.6 +38:43:29 15.4 127 Positions are for J2000
Event circumstances last updated at 2023/09/03 03:20:29 UT
Marc W. Buie, Southwest Research Institute