Event between (552555) 10ER65 and star GA0760:04826849 with event index number of 2345843
Geocentric closest approach at 2023/02/25 06:17:42 UTC
J2000 position of star is 13:36:16.0 -12:51:26
Equinox of date position of star is 13:37:27.0 -12:58:11
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 165 degrees from the moon.
Moon is 30% illuminated.
TNO apparent brightness V=21.5
TNO is 41.9 AU from the Sun
and 41.3 AU from the Earth.
The TNO is moving 13.5
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 243 seconds.
The 1-sigma cross-track error in the shadow position is
2600 km.
The TNO has an absolute magnitude Hv=5.2
Diameter=539.5 km assuming a 5% albedo -- 40.1 sec chord
Diameter=220.3 km assuming a 30% albedo -- 16.4 sec chord
Dynamical classification is SCATNEAR
Star training set for 552555, (2023/02/25 06:22UT) Object RA Dec mag sep mel Spica 13:26:25.0 -11:16:53 1.0 3.19 162 PPM 227511 13:35:54.5 -13:19:56 6.4 0.53 164 PPM 227541 13:37:04.6 -12:41:32 9.6 0.30 165 552555 13:37:30.1 -12:58:29 16.2 165 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 552555, (2023/02/25 06:22UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 3.19 162 PPM 227511 13:34:40.4 -13:12:52 6.4 0.53 164 PPM 227541 13:35:50.6 -12:34:28 9.6 0.30 165 552555 13:36:16.0 -12:51:26 16.2 165 Positions are for J2000
Event circumstances last updated at 2022/03/12 01:53:29 UT
Marc W. Buie, Southwest Research Institute