Event between (119878) 02CY224 and star GA0820:04103313 with event index number of 1785130
Geocentric closest approach at 2027/12/01 16:53:33 UTC
J2000 position of star is 11:24:59.5 -06:26:16
Equinox of date position of star is 11:26:13.7 -06:34:17
Stellar brightness G=14.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 115 degrees from the moon.
Moon is 12% illuminated.
Apparent brightness V=22.4
Object is 41.6 AU from the Sun
and 41.8 AU from the Earth.
Apparent velocity is 13.9
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 203 seconds.
The 1-sigma cross-track error in the shadow position is
3097 km.
The object has an absolute magnitude Hv=6.1
Diameter=356.5 km assuming a 5% albedo -- 25.6 sec chord
Diameter=145.5 km assuming a 30% albedo -- 10.4 sec chord
Dynamical classification is 12:5EEEEEEE
Star training set for 119878, (2027/12/01 16:56UT) Object RA Dec mag sep mel Regulus 10:09:51.5 +11:49:47 1.3 26.49 140 4Gam Crv 12:17:14.8 -17:41:49 2.6 16.65 99 PPM 194312 11:18:23.1 -07:17:15 6.1 2.11 117 PPM 194426 11:25:46.9 -06:03:51 7.3 0.55 116 PPM 194434 11:26:14.3 -06:55:19 8.9 0.33 115 119878 11:26:24.7 -06:35:29 14.6 115 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 119878, (2027/12/01 16:56UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 26.49 140 4Gam Crv 12:15:48.1 -17:32:30 2.6 16.65 99 PPM 194312 11:16:58.2 -07:08:05 6.1 2.11 117 PPM 194426 11:24:21.6 -05:54:38 7.3 0.55 116 PPM 194434 11:24:49.2 -06:46:06 8.9 0.33 115 119878 11:24:59.5 -06:26:16 14.6 115 Positions are for J2000
Event circumstances last updated at 2024/04/23 03:32:16 UT
Marc W. Buie, Southwest Research Institute