Event between (531016) 12BZ154 and star GA0960:03437057 with event index number of 2444470
Geocentric closest approach at 2022/10/27 01:26:44 UTC
J2000 position of star is 08:46:30.9 +07:22:38
Equinox of date position of star is 08:47:42.0 +07:17:42
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 102 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=23.0
TNO is 37.7 AU from the Sun
and 37.9 AU from the Earth.
The TNO is moving 12.1
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 217 seconds.
The 1-sigma cross-track error in the shadow position is
2631 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=230.2 km assuming a 5% albedo -- 19.0 sec chord
Diameter=94.0 km assuming a 30% albedo -- 7.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 531016, (2022/10/27 01:26UT) Object RA Dec mag sep mel Regulus 10:09:35.1 +11:51:17 1.3 20.68 85 Alphard 09:28:42.5 -08:45:31 2.0 19.02 87 13Rho Hya 08:49:38.4 +05:45:07 4.3 1.61 101 PPM 154991 08:48:28.5 +07:31:27 8.4 0.30 102 531016 08:47:44.0 +07:17:33 17.0 102 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 531016, (2022/10/27 01:26UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 20.68 85 Alphard 09:27:35.2 -08:39:30 2.0 19.02 87 13Rho Hya 08:48:26.0 +05:50:15 4.3 1.61 101 PPM 154991 08:47:15.3 +07:36:33 8.4 0.30 102 531016 08:46:30.9 +07:22:38 17.0 102 Positions are for J2000
Event circumstances last updated at 2022/03/12 01:48:26 UT
Marc W. Buie, Southwest Research Institute