Event between (471335) 11OD16 and star GA0900:00034599 with event index number of 2173828
Geocentric closest approach at 2022/10/07 00:58:07 UTC
J2000 position of star is 00:23:22.5 +00:04:54
Equinox of date position of star is 00:24:32.5 +00:12:27
Stellar brightness G=15.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 28 degrees from the moon.
Moon is 90% illuminated.
TNO apparent brightness V=21.7
TNO is 19.5 AU from the Sun
and 18.5 AU from the Earth.
The TNO is moving 22.1
km/sec on the sky relative to the star, or,
5.9 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
696 km.
The TNO has an absolute magnitude Hv=8.9
Diameter=100.0 km assuming a 5% albedo -- 4.6 sec chord
Diameter=40.8 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 471335, (2022/10/07 00:58UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.2 -29:30:04 1.2 36.05 17 Algenib 00:14:24.7 +15:18:36 2.8 15.31 36 44 Psc 00:26:34.3 +02:03:56 5.8 1.93 30 10 Cet 00:27:47.5 +00:04:34 7.0 0.82 29 PPM 143444 00:24:59.2 +00:14:52 9.4 0.12 28 471335 00:24:32.6 +00:12:27 15.3 29 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 471335, (2022/10/07 00:58UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 36.05 17 Algenib 00:13:14.2 +15:11:01 2.8 15.31 36 44 Psc 00:25:24.2 +01:56:22 5.8 1.93 30 10 Cet 00:26:37.5 -00:02:59 7.0 0.82 29 PPM 143444 00:23:49.2 +00:07:18 9.4 0.12 28 471335 00:23:22.5 +00:04:54 15.3 28 Positions are for J2000
Event circumstances last updated at 2022/10/02 04:07:52 UT
Marc W. Buie, Southwest Research Institute