Event between (60558) Echeclus and star GA1060:03010415 with event index number of 2337540
Geocentric closest approach at 2025/01/24 14:57:03 UTC
J2000 position of star is 08:00:25.7 +16:41:12
Equinox of date position of star is 08:01:48.6 +16:37:08
Stellar brightness G=15.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 126 degrees from the moon.
Moon is 25% illuminated.
Apparent brightness V=20.3
Object is 13.3 AU from the Sun
and 12.4 AU from the Earth.
Apparent velocity is 23.6
km/sec on the sky relative to the star, or,
9.5 arcsec/hr.
The 1-sigma error in the time of the event is 21 seconds.
The 1-sigma cross-track error in the shadow position is
452 km.
The object has an absolute magnitude Hv=9.2
Diameter=88.3 km assuming a 5% albedo -- 3.7 sec chord
Diameter=36.1 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 60558, (2025/01/24 14:57UT) Object RA Dec mag sep mel Pollux 07:46:50.9 +27:57:49 1.1 11.86 132 5 Cnc 08:02:55.8 +16:23:04 5.9 0.35 126 PPM 124691 08:00:43.4 +16:44:57 7.9 0.30 126 PPM 124730 08:02:09.5 +16:31:03 9.4 0.12 126 PPM 124720 08:01:49.1 +16:40:54 10.8 0.07 126 60558 08:01:51.5 +16:36:59 15.3 126 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 60558, (2025/01/24 14:57UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 11.86 132 5 Cnc 08:01:30.2 +16:27:19 5.9 0.35 126 PPM 124691 07:59:17.6 +16:49:08 7.9 0.30 126 PPM 124730 08:00:43.8 +16:35:17 9.4 0.12 126 PPM 124720 08:00:23.3 +16:45:07 10.8 0.07 126 60558 08:00:25.7 +16:41:12 15.3 126 Positions are for J2000
Event circumstances last updated at 2024/03/19 03:37:29 UT
Marc W. Buie, Southwest Research Institute