Event between (65489) Ceto and star GA0900:04469040 with event index number of 2400346
Geocentric closest approach at 2024/02/21 15:16:06 UTC
J2000 position of star is 16:07:14.2 +00:05:19
Equinox of date position of star is 16:08:28.3 +00:01:32
Stellar brightness G=14.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 115 degrees from the moon.
Moon is 92% illuminated.
Apparent brightness V=23.1
Object is 43.7 AU from the Sun
and 43.7 AU from the Earth.
Apparent velocity is 11.5
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 174 seconds.
The 1-sigma cross-track error in the shadow position is
2819 km.
The object has an absolute magnitude Hv=6.5
Diameter=309.0 km assuming a 5% albedo -- 26.6 sec chord
Diameter=126.2 km assuming a 30% albedo -- 10.9 sec chord
Dynamical classification is CENTAURR
Star training set for 65489, (2024/02/21 15:16UT) Object RA Dec mag sep mel Antares 16:30:53.5 -26:29:00 0.9 27.05 129 1Del Oph 16:15:36.8 -03:45:17 2.7 4.18 118 PPM 199363 16:11:06.5 -03:31:43 5.0 3.61 117 PPM 179706 16:07:28.2 -00:25:50 8.5 0.52 115 PPM 179707 16:07:35.0 -00:15:32 9.5 0.36 115 PPM 162260 16:08:51.9 -00:01:49 10.4 0.11 115 65489 16:08:28.4 +00:01:32 14.4 115 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 65489, (2024/02/21 15:16UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.05 129 1Del Oph 16:14:20.7 -03:41:43 2.7 4.18 118 PPM 199363 16:09:50.5 -03:28:00 5.0 3.61 117 PPM 179706 16:06:13.7 -00:22:00 8.5 0.52 115 PPM 179707 16:06:20.6 -00:11:43 9.5 0.36 115 PPM 162260 16:07:37.7 +00:01:58 10.4 0.11 115 65489 16:07:14.2 +00:05:19 14.4 115 Positions are for J2000
Event circumstances last updated at 2024/02/13 04:29:32 UT
Marc W. Buie, Southwest Research Institute