Event between (386723) 09YE7 and star GA0840:00538824 with event index number of 2530671
Geocentric closest approach at 2028/11/27 18:03:55 UTC
J2000 position of star is 05:11:32.5 -04:28:29
Equinox of date position of star is 05:12:43.9 -04:26:49
Stellar brightness G=16.6,
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 83% illuminated.
Apparent brightness V=21.7
Object is 50.5 AU from the Sun
and 49.7 AU from the Earth.
Apparent velocity is 26.0
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 129 seconds.
The 1-sigma cross-track error in the shadow position is
2174 km.
The object has an absolute magnitude Hv=4.6
Diameter=704.7 km assuming a 5% albedo -- 27.7 sec chord
Diameter=287.7 km assuming a 30% albedo -- 11.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 386723, (2028/11/27 18:12UT) Object RA Dec mag sep mel Rigel 05:15:55.7 -08:10:14 0.1 3.80 68 67Bet Eri 05:09:16.4 -05:03:04 2.8 1.11 65 66 Eri 05:08:11.5 -04:37:07 5.0 1.21 65 PPM 187816 05:14:54.4 -04:37:16 8.1 0.51 66 PPM 187784 05:12:35.8 -04:08:55 9.0 0.31 66 386723 05:12:58.5 -04:26:29 16.6 66 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 386723, (2028/11/27 18:12UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 3.80 68 67Bet Eri 05:07:50.8 -05:05:13 2.8 1.11 65 66 Eri 05:06:45.6 -04:39:19 5.0 1.21 65 PPM 187816 05:13:28.6 -04:39:11 8.1 0.51 66 PPM 187784 05:11:09.7 -04:10:56 9.0 0.31 66 386723 05:11:32.5 -04:28:29 16.6 66 Positions are for J2000
Event circumstances last updated at 2024/01/09 22:28:40 UT
Marc W. Buie, Southwest Research Institute