Event between (308460) 05SC278 and star GA1040:00222428 with event index number of 2185913
Geocentric closest approach at 2024/09/06 04:20:16 UTC
J2000 position of star is 02:20:09.8 +14:13:15
Equinox of date position of star is 02:21:28.2 +14:19:48
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 160 degrees from the moon.
Moon is 8% illuminated.
Apparent brightness V=22.6
Object is 33.1 AU from the Sun
and 32.5 AU from the Earth.
Apparent velocity is 12.5
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 201 seconds.
The 1-sigma cross-track error in the shadow position is
1641 km.
The object has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 16.5 sec chord
Diameter=85.3 km assuming a 30% albedo -- 6.8 sec chord
Dynamical classification is 5:4E
Star training set for 308460, (2024/09/06 04:22UT) Object RA Dec mag sep mel Aldebaran 04:37:20.4 +16:33:25 0.8 32.77 128 6Bet Ari 01:56:00.5 +20:55:40 2.6 8.96 162 19 Ari 02:14:24.3 +15:23:40 5.7 2.02 162 PPM 118133 02:21:34.4 +14:24:35 8.5 0.08 160 308460 02:21:30.6 +14:20:00 15.9 160 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 308460, (2024/09/06 04:22UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 32.77 128 6Bet Ari 01:54:38.5 +20:48:26 2.6 8.96 162 19 Ari 02:13:03.4 +15:16:47 5.7 2.02 162 PPM 118133 02:20:13.6 +14:17:51 8.5 0.08 160 308460 02:20:09.8 +14:13:15 15.9 160 Positions are for J2000
Event circumstances last updated at 2023/12/15 05:26:53 UT
Marc W. Buie, Southwest Research Institute