Event between (281371) 08FC76 and star GA0860:03231143 with event index number of 2457900
Geocentric closest approach at 2024/05/24 00:35:50 UTC
J2000 position of star is 07:55:33.5 -02:46:30
Equinox of date position of star is 07:56:45.8 -02:50:23
Stellar brightness G=15.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 122 degrees from the moon.
Moon is 100% illuminated.
Apparent brightness V=21.4
Object is 14.1 AU from the Sun
and 14.6 AU from the Earth.
Apparent velocity is 24.0
km/sec on the sky relative to the star, or,
8.2 arcsec/hr.
The 1-sigma error in the time of the event is 34 seconds.
The 1-sigma cross-track error in the shadow position is
618 km.
The object has an absolute magnitude Hv=9.5
Diameter=83.2 km assuming a 5% albedo -- 3.2 sec chord
Diameter=34.0 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
Star training set for 281371, (2024/05/24 00:37UT) Object RA Dec mag sep mel Sirius 06:46:13.4 -16:45:01 -1.5 22.23 125 15Rho Pup 08:08:35.0 -24:22:34 2.8 21.72 106 27 Mon 08:00:57.3 -03:44:52 4.9 1.38 120 PPM 190764 07:55:46.6 -02:51:41 7.7 0.25 122 281371 07:56:47.1 -02:50:27 15.2 121 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 281371, (2024/05/24 00:37UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:24 -1.5 22.23 125 15Rho Pup 08:07:32.5 -24:18:14 2.8 21.72 106 27 Mon 07:59:44.1 -03:40:47 4.9 1.38 120 PPM 190764 07:54:33.0 -02:47:46 7.7 0.25 122 281371 07:55:33.5 -02:46:30 15.2 122 Positions are for J2000
Event circumstances last updated at 2023/12/20 05:37:03 UT
Marc W. Buie, Southwest Research Institute