Event between (590218) 11UD63 and star GA1180:02502746 with event index number of 2685963
Geocentric closest approach at 2027/10/29 16:40:57 UTC
J2000 position of star is 06:29:37.6 +28:12:52
Equinox of date position of star is 06:31:08.2 +28:11:49
Stellar brightness G=13.4,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 121 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=20.3
Object is 13.7 AU from the Sun
and 13.2 AU from the Earth.
Apparent velocity is 6.7
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 391 seconds.
The 1-sigma cross-track error in the shadow position is
1111 km.
The object has an absolute magnitude Hv=8.7
Diameter=105.2 km assuming a 5% albedo -- 16.1 sec chord
Diameter=42.9 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is CENTAURR
Star training set for 590218, (2027/10/29 16:37UT) Object RA Dec mag sep mel Pollux 07:47:01.1 +27:57:24 1.1 16.67 105 Alhena 06:39:19.1 +16:22:23 1.9 11.96 118 49 Aur 06:36:57.2 +27:59:52 5.0 1.24 120 PPM 096080 06:32:07.4 +28:11:27 7.2 0.16 121 590218 06:31:23.0 +28:11:38 13.4 121 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 590218, (2027/10/29 16:37UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 16.67 105 Alhena 06:37:42.8 +16:23:56 1.9 11.96 118 49 Aur 06:35:12.1 +28:01:20 5.0 1.24 120 PPM 096080 06:30:22.0 +28:12:43 7.2 0.16 121 590218 06:29:37.6 +28:12:52 13.4 121 Positions are for J2000
Event circumstances last updated at 2023/12/08 04:35:30 UT
Marc W. Buie, Southwest Research Institute