Event between (385458) 03SP317 and star GA0980:00092776 with event index number of 2374912
Geocentric closest approach at 2024/11/28 00:29:31 UTC
J2000 position of star is 01:02:45.5 +09:39:34
Equinox of date position of star is 01:03:54.0 +09:46:35
Stellar brightness G=14.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 168 degrees from the moon.
Moon is 10% illuminated.
TNO apparent brightness V=23.5
TNO is 41.6 AU from the Sun
and 41.0 AU from the Earth.
The TNO is moving 15.3
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 352 seconds.
The 1-sigma cross-track error in the shadow position is
3662 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=218.8 km assuming a 5% albedo -- 14.3 sec chord
Diameter=89.3 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 385458, (2024/11/28 00:18UT) Object RA Dec mag sep mel Algenib 00:14:31.3 +15:19:19 2.8 13.29 157 71Eps Psc 01:04:14.4 +08:01:25 4.3 1.77 168 PPM 144197 01:04:00.8 +09:15:58 7.2 0.53 168 PPM 144176 01:03:01.1 +09:52:47 8.7 0.27 168 PPM 144179 01:03:06.1 +09:44:18 10.7 0.24 168 385458 01:04:03.7 +09:47:35 14.8 169 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 385458, (2024/11/28 00:18UT) Object RA Dec mag sep mel Algenib 00:13:14.2 +15:11:01 2.8 13.29 157 71Eps Psc 01:02:56.5 +07:53:25 4.3 1.77 168 PPM 144197 01:02:42.7 +09:07:58 7.2 0.53 168 PPM 144176 01:01:42.9 +09:44:46 8.7 0.27 168 PPM 144179 01:01:48.0 +09:36:17 10.7 0.24 168 385458 01:02:45.5 +09:39:34 14.8 168 Positions are for J2000
Event circumstances last updated at 2021/10/31 23:14:17 UT
Marc W. Buie, Southwest Research Institute