Event between (472651) 15DB216 and star GA0800:04228639 with event index number of 2311232
Geocentric closest approach at 2022/05/25 03:37:21 UTC
J2000 position of star is 12:25:55.1 -08:23:28
Equinox of date position of star is 12:27:04.1 -08:30:52
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 169 degrees from the moon.
Moon is 26% illuminated.
TNO apparent brightness V=20.3
TNO is 14.2 AU from the Sun
and 13.6 AU from the Earth.
The TNO is moving 11.1
km/sec on the sky relative to the star, or,
4.1 arcsec/hr.
The 1-sigma error in the time of the event is 48 seconds.
The 1-sigma cross-track error in the shadow position is
628 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=117.5 km assuming a 5% albedo -- 10.6 sec chord
Diameter=48.0 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is CENTAURR
Star training set for 472651, (2022/05/25 03:37UT) Object RA Dec mag sep mel Spica 13:26:22.6 -11:16:39 1.0 14.86 159 4Gam Crv 12:16:57.7 -17:39:58 2.6 9.48 160 21 Vir 12:34:56.2 -09:34:31 5.6 2.21 168 PPM 195496 12:28:08.2 -08:57:12 8.2 0.51 169 PPM 195467 12:26:43.9 -08:25:27 9.5 0.12 169 472651 12:27:04.5 -08:30:54 16.8 169 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 472651, (2022/05/25 03:37UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 14.86 159 4Gam Crv 12:15:48.1 -17:32:30 2.6 9.48 160 21 Vir 12:33:46.6 -09:27:07 5.6 2.21 168 PPM 195496 12:26:58.8 -08:49:46 8.2 0.51 169 PPM 195467 12:25:34.6 -08:18:01 9.5 0.12 169 472651 12:25:55.1 -08:23:28 16.8 169 Positions are for J2000
Event circumstances last updated at 2022/04/17 00:14:27 UT
Marc W. Buie, Southwest Research Institute