Event between (609222) 04VV131 and star GA1100:00460046 with event index number of 2789055
Geocentric closest approach at 2024/01/10 22:48:17 UTC
J2000 position of star is 03:44:21.6 +20:04:17
Equinox of date position of star is 03:45:38.8 +20:08:24
Stellar brightness G=14.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 136 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=23.3
TNO is 47.2 AU from the Sun
and 46.6 AU from the Earth.
The TNO is moving 14.7
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 274 seconds.
The 1-sigma cross-track error in the shadow position is
1974 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=296.5 km assuming a 5% albedo -- 20.1 sec chord
Diameter=121.0 km assuming a 30% albedo -- 8.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 609222, (2024/01/10 22:48UT) Object RA Dec mag sep mel Aldebaran 04:37:18.1 +16:33:21 0.8 12.74 146 44Zet Per 03:55:38.9 +31:57:11 2.8 12.01 140 13 Tau 03:43:42.3 +19:46:32 5.7 0.61 135 PPM 092759 03:43:53.5 +20:13:29 8.5 0.44 135 PPM 119328 03:46:16.6 +19:54:16 8.7 0.27 136 609222 03:45:45.3 +20:08:45 14.6 136 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 609222, (2024/01/10 22:48UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 12.74 146 44Zet Per 03:54:07.9 +31:53:01 2.8 12.01 140 13 Tau 03:42:18.9 +19:42:01 5.7 0.61 135 PPM 092759 03:42:29.9 +20:08:58 8.5 0.44 135 PPM 119328 03:44:53.0 +19:49:50 8.7 0.27 136 609222 03:44:21.6 +20:04:17 14.6 135 Positions are for J2000
Event circumstances last updated at 2022/03/01 23:09:05 UT
Marc W. Buie, Southwest Research Institute