Event between (469506) 03FF128 and star GA0660:16798006 with event index number of 1718679
Geocentric closest approach at 2027/06/27 22:08:54 UTC
J2000 position of star is 17:40:14.2 -23:09:26
Equinox of date position of star is 17:41:42.4 -23:10:06
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 109 degrees from the moon.
Moon is 43% illuminated.
Apparent brightness V=21.8
Object is 31.0 AU from the Sun
and 30.0 AU from the Earth.
Apparent velocity is 23.0
km/sec on the sky relative to the star, or,
3.8 arcsec/hr.
The 1-sigma error in the time of the event is 291 seconds.
The 1-sigma cross-track error in the shadow position is
1363 km.
The object has an absolute magnitude Hv=6.9
Diameter=254.7 km assuming a 5% albedo -- 11.0 sec chord
Diameter=104.0 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is 3:2E
Star training set for 469506, (2027/06/27 22:09UT) Object RA Dec mag sep mel Antares 16:31:05.9 -26:29:26 0.9 16.39 125 35Eta Oph 17:11:57.4 -15:45:25 2.6 10.23 116 PPM 267109 17:40:24.1 -21:55:35 6.4 1.29 109 PPM 267163 17:44:00.5 -23:21:37 7.7 0.52 108 PPM 267129 17:41:35.7 -23:04:28 8.7 0.12 109 469506 17:41:54.4 -23:10:11 14.9 109 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 469506, (2027/06/27 22:09UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.39 125 35Eta Oph 17:10:22.7 -15:43:29 2.6 10.23 116 PPM 267109 17:38:44.8 -21:54:46 6.4 1.29 109 PPM 267163 17:42:20.1 -23:20:56 7.7 0.52 108 PPM 267129 17:39:55.6 -23:03:42 8.7 0.12 109 469506 17:40:14.2 -23:09:26 14.9 109 Positions are for J2000
Event circumstances last updated at 2024/03/06 04:27:46 UT
Marc W. Buie, Southwest Research Institute