Event between (469362) 01KB77 and star GA0820:11869281 with event index number of 1752645
Geocentric closest approach at 2027/09/04 21:21:52 UTC
J2000 position of star is 18:43:55.7 -07:25:18
Equinox of date position of star is 18:45:15.1 -07:23:43
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 66 degrees from the moon.
Moon is 22% illuminated.
Apparent brightness V=22.4
Object is 28.4 AU from the Sun
and 28.0 AU from the Earth.
Apparent velocity is 9.9
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 633 seconds.
The 1-sigma cross-track error in the shadow position is
4920 km.
The object has an absolute magnitude Hv=7.7
Diameter=199.5 km assuming a 5% albedo -- 17.4 sec chord
Diameter=81.5 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is 3:2E
Star training set for 469362, (2027/09/04 21:22UT) Object RA Dec mag sep mel Antares 16:31:06.5 -26:29:27 0.9 37.17 32 Nunki 18:56:58.8 -26:15:35 2.0 19.07 64 PPM 202054 18:44:05.7 -07:02:41 6.5 0.48 66 PPM 202078 18:45:13.6 -07:42:05 8.5 0.31 66 PPM 202088 18:45:57.8 -07:35:18 8.7 0.24 66 469362 18:45:25.5 -07:23:31 16.7 67 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 469362, (2027/09/04 21:22UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 37.17 32 Nunki 18:55:15.9 -26:17:49 2.0 19.07 64 PPM 202054 18:42:36.1 -07:04:26 6.5 0.48 66 PPM 202078 18:43:43.5 -07:43:52 8.5 0.31 66 PPM 202088 18:44:27.9 -07:37:06 8.7 0.24 66 469362 18:43:55.7 -07:25:18 16.7 66 Positions are for J2000
Event circumstances last updated at 2024/06/22 21:28:27 UT
Marc W. Buie, Southwest Research Institute