Event between (385266) 01QB298 and star GA0900:16548359 with event index number of 1217785
Geocentric closest approach at 2022/09/10 17:40:34 UTC
J2000 position of star is 23:43:22.6 +00:00:41
Equinox of date position of star is 23:44:29.6 +00:07:57
Stellar brightness G=13.4,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 7 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=22.8
TNO is 40.4 AU from the Sun
and 39.4 AU from the Earth.
The TNO is moving 24.5
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 133 seconds.
The 1-sigma cross-track error in the shadow position is
2322 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=263.0 km assuming a 5% albedo -- 10.7 sec chord
Diameter=107.4 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 385266, (2022/09/10 17:41UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.0 -29:30:05 1.2 31.57 25 Algenib 00:14:24.4 +15:18:34 2.8 16.87 24 18Lam Psc 23:43:12.3 +01:54:18 4.5 1.80 9 PPM 174405 23:47:09.9 +00:23:15 8.4 0.70 7 PPM 174359 23:44:06.4 +00:21:57 9.2 0.25 7 385266 23:44:32.3 +00:08:14 13.4 7 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 385266, (2022/09/10 17:41UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 31.57 25 Algenib 00:13:14.2 +15:11:01 2.8 16.87 24 18Lam Psc 23:42:02.6 +01:46:45 4.5 1.80 9 PPM 174405 23:46:00.1 +00:15:41 8.4 0.70 7 PPM 174359 23:42:56.6 +00:14:23 9.2 0.25 7 385266 23:43:22.6 +00:00:41 13.4 7 Positions are for J2000
Event circumstances last updated at 2021/10/25 23:27:02 UT
Marc W. Buie, Southwest Research Institute