Event between 00CF105 and star GA1020:03381583 with event index number of 1061979
Geocentric closest approach at 2022/03/15 17:45:16 UTC
J2000 position of star is 10:07:37.1 +12:06:54
Equinox of date position of star is 10:08:46.9 +12:00:29
Stellar brightness G=14.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 7 degrees from the moon.
Moon is 93% illuminated.
TNO apparent brightness V=23.3
TNO is 42.5 AU from the Sun
and 41.6 AU from the Earth.
The TNO is moving 22.7
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 246 seconds.
The 1-sigma cross-track error in the shadow position is
3146 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=235.5 km assuming a 5% albedo -- 10.4 sec chord
Diameter=96.1 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 00CF105, (2022/03/15 17:45UT) Object RA Dec mag sep mel Regulus 10:09:33.1 +11:51:28 1.3 0.23 7 31 Leo 10:09:04.9 +09:53:16 6.0 2.12 9 PPM 127109 10:07:48.6 +12:40:23 7.3 0.71 7 PPM 127133 10:09:23.7 +11:53:15 8.7 0.19 7 00CF105 10:08:48.4 +12:00:21 14.7 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 00CF105, (2022/03/15 17:45UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 0.23 7 31 Leo 10:07:54.2 +09:59:50 6.0 2.12 9 PPM 127109 10:06:37.1 +12:46:55 7.3 0.71 7 PPM 127133 10:08:12.5 +11:59:48 8.7 0.19 7 00CF105 10:07:37.1 +12:06:54 14.7 7 Positions are for J2000
Event circumstances last updated at 2021/10/02 02:47:35 UT
Marc W. Buie, Southwest Research Institute