Event between (612174) 00QC226 and star GA0900:00063450 with event index number of 2808648
Geocentric closest approach at 2024/10/19 22:28:28 UTC
J2000 position of star is 00:38:53.5 +01:13:50
Equinox of date position of star is 00:40:02.3 +01:21:11
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 52 degrees from the moon.
Moon is 91% illuminated.
TNO apparent brightness V=23.1
TNO is 43.0 AU from the Sun
and 42.0 AU from the Earth.
The TNO is moving 23.8
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 322 seconds.
The 1-sigma cross-track error in the shadow position is
5711 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=257.0 km assuming a 5% albedo -- 10.8 sec chord
Diameter=104.9 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 612174, (2024/10/19 22:28UT) Object RA Dec mag sep mel Fomalhaut 22:59:00.9 -29:29:25 1.2 39.19 89 Algenib 00:14:31.0 +15:19:17 2.8 15.32 52 14 Cet 00:36:49.3 -00:22:11 6.2 1.93 54 PPM 143773 00:42:50.4 +01:53:01 7.7 0.85 52 PPM 143723 00:39:41.8 +01:24:50 8.7 0.13 53 612174 00:40:09.9 +01:21:59 15.9 52 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 612174, (2024/10/19 22:28UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 39.19 89 Algenib 00:13:14.2 +15:11:01 2.8 15.32 52 14 Cet 00:35:33.0 -00:30:22 6.2 1.93 54 PPM 143773 00:41:33.9 +01:44:53 7.7 0.85 52 PPM 143723 00:38:25.4 +01:16:40 8.7 0.13 53 612174 00:38:53.5 +01:13:50 15.9 52 Positions are for J2000
Event circumstances last updated at 2022/05/03 23:47:18 UT
Marc W. Buie, Southwest Research Institute