Event between (471149) 10FB49 and star GA0880:04329311 with event index number of 2232053
Geocentric closest approach at 2027/06/20 10:11:38 UTC
J2000 position of star is 14:38:24.3 -00:00:45
Equinox of date position of star is 14:39:39.6 -00:07:02
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 69 degrees from the moon.
Moon is 98% illuminated.
Apparent brightness V=21.5
Object is 25.1 AU from the Sun
and 24.5 AU from the Earth.
Apparent velocity is 13.8
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 100 seconds.
The 1-sigma cross-track error in the shadow position is
908 km.
The object has an absolute magnitude Hv=7.4
Diameter=194.1 km assuming a 5% albedo -- 14.5 sec chord
Diameter=79.2 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is CENTAURR
Star training set for 471149, (2027/06/20 10:10UT) Object RA Dec mag sep mel Arcturus 14:16:55.4 +19:02:38 0.0 19.98 83 27Bet Lib 15:18:29.4 -09:28:57 2.6 13.42 56 108 Vir 14:46:54.4 +00:36:10 5.5 1.92 67 PPM 179378 14:47:42.7 -00:56:52 7.7 2.14 66 PPM 179349 14:40:24.1 -00:26:59 9.8 0.35 68 471149 14:39:48.8 -00:07:48 16.7 68 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 471149, (2027/06/20 10:10UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 19.98 83 27Bet Lib 15:17:00.3 -09:22:59 2.6 13.42 56 108 Vir 14:45:30.2 +00:43:02 5.5 1.92 67 PPM 179378 14:46:17.8 -00:50:01 7.7 2.14 66 PPM 179349 14:38:59.5 -00:19:57 9.8 0.35 68 471149 14:38:24.3 -00:00:45 16.7 69 Positions are for J2000
Event circumstances last updated at 2024/06/21 21:28:59 UT
Marc W. Buie, Southwest Research Institute