Event between (47932) 00GN171 and star GA0560:27403506 with event index number of 2316937
Geocentric closest approach at 2028/04/21 12:09:03 UTC
J2000 position of star is 17:57:44.5 -33:10:08
Equinox of date position of star is 17:59:21.2 -33:10:11
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 86 degrees from the moon.
Moon is 11% illuminated.
Apparent brightness V=21.3
Object is 30.4 AU from the Sun
and 29.9 AU from the Earth.
Apparent velocity is 10.6
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 837 seconds.
The 1-sigma cross-track error in the shadow position is
2959 km.
The object has an absolute magnitude Hv=6.3
Diameter=346.7 km assuming a 5% albedo -- 31.5 sec chord
Diameter=141.6 km assuming a 30% albedo -- 12.9 sec chord
Dynamical classification is 3:2E
Star training set for 47932, (2028/04/21 12:09UT) Object RA Dec mag sep mel Antares 16:31:08.9 -26:29:32 0.9 20.26 105 Kap Sco 17:44:26.9 -39:02:30 2.4 6.62 89 PPM 297024 17:58:07.2 -32:28:37 6.5 0.76 86 PPM 297043 17:58:53.8 -33:24:36 8.2 0.28 86 PPM 297077 18:00:35.1 -33:19:34 9.1 0.26 85 47932 17:59:36.3 -33:10:11 16.9 85 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 47932, (2028/04/21 12:09UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.26 105 Kap Sco 17:42:29.3 -39:01:49 2.4 6.62 89 PPM 297024 17:56:16.1 -32:28:30 6.5 0.76 86 PPM 297043 17:57:01.8 -33:24:30 8.2 0.28 86 PPM 297077 17:58:43.2 -33:19:34 9.1 0.26 85 47932 17:57:44.5 -33:10:08 16.9 86 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:33:13 UT
Marc W. Buie, Southwest Research Institute