Event between (601690) 13KZ18 and star GA1260:14129952 with event index number of 2732978
Geocentric closest approach at 2023/12/29 21:15:13 UTC
J2000 position of star is 23:58:16.4 +36:05:03
Equinox of date position of star is 23:59:29.1 +36:12:57
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 108 degrees from the moon.
Moon is 92% illuminated.
Apparent brightness V=22.2
Object is 20.4 AU from the Sun
and 20.2 AU from the Earth.
Apparent velocity is 14.4
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 71 seconds.
The 1-sigma cross-track error in the shadow position is
1024 km.
The object has an absolute magnitude Hv=8.9
Diameter=100.5 km assuming a 5% albedo -- 7.1 sec chord
Diameter=41.0 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
Star training set for 601690, (2023/12/29 21:16UT) Object RA Dec mag sep mel Deneb 20:42:15.0 +45:22:01 1.3 37.82 112 Scheat 23:04:56.4 +28:12:48 2.4 14.02 121 PPM 065095 00:14:05.6 +37:49:37 6.4 3.33 105 PPM 064947 00:04:00.1 +35:56:56 7.7 0.95 107 PPM 089298 00:00:35.2 +36:30:21 10.0 0.36 108 PPM 089284 23:59:44.9 +36:13:19 10.7 0.05 108 601690 23:59:30.1 +36:13:04 15.7 108 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, (2023/12/29 21:16UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 37.82 112 Scheat 23:03:46.8 +28:05:01 2.4 14.02 121 PPM 065095 00:12:50.3 +37:41:37 6.4 3.33 105 PPM 064947 00:02:46.0 +35:48:56 7.7 0.95 107 PPM 089298 23:59:21.4 +36:22:21 10.0 0.36 108 PPM 089284 23:58:31.3 +36:05:18 10.7 0.05 108 601690 23:58:16.4 +36:05:03 15.7 108 Positions are for J2000
Event circumstances last updated at 2023/09/03 03:04:10 UT
Marc W. Buie, Southwest Research Institute