Event between (612242) 01QQ322 and star GA0920:00093336 with event index number of 2811804
Geocentric closest approach at 2024/09/28 13:38:08 UTC
J2000 position of star is 00:57:24.6 +02:14:01
Equinox of date position of star is 00:58:33.6 +02:21:14
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 126 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=22.9
TNO is 42.6 AU from the Sun
and 41.6 AU from the Earth.
The TNO is moving 24.8
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 223 seconds.
The 1-sigma cross-track error in the shadow position is
3803 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=289.7 km assuming a 5% albedo -- 11.7 sec chord
Diameter=118.3 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 612242, (2024/09/28 13:38UT) Object RA Dec mag sep mel Fomalhaut 22:59:00.7 -29:29:26 1.2 42.82 158 Algenib 00:14:30.8 +15:19:16 2.8 16.92 128 26 Cet 01:05:05.5 +01:29:56 6.0 1.82 125 PPM 144095 00:58:58.7 +02:13:38 8.1 0.16 126 PPM 144099 00:59:07.2 +02:26:20 11.6 0.13 126 612242 00:58:41.1 +02:22:01 15.4 126 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 612242, (2024/09/28 13:38UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 42.82 158 Algenib 00:13:14.2 +15:11:01 2.8 16.92 128 26 Cet 01:03:49.2 +01:22:00 6.0 1.82 125 PPM 144095 00:57:42.3 +02:05:38 8.1 0.16 126 PPM 144099 00:57:50.8 +02:18:20 11.6 0.13 126 612242 00:57:24.6 +02:14:01 15.4 126 Positions are for J2000
Event circumstances last updated at 2022/05/03 23:43:53 UT
Marc W. Buie, Southwest Research Institute