Event between (250112) 02KY14 and star GA0940:02878597 with event index number of 2179993
Geocentric closest approach at 2022/01/28 19:57:46 UTC
J2000 position of star is 07:39:05.4 +04:42:35
Equinox of date position of star is 07:40:15.0 +04:39:30
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 142 degrees from the moon.
Moon is 16% illuminated.
TNO apparent brightness V=21.2
TNO is 14.4 AU from the Sun
and 13.5 AU from the Earth.
The TNO is moving 22.8
km/sec on the sky relative to the star, or,
8.4 arcsec/hr.
The 1-sigma error in the time of the event is 73 seconds.
The 1-sigma cross-track error in the shadow position is
837 km.
The TNO has an absolute magnitude Hv=9.6
Diameter=72.4 km assuming a 5% albedo -- 3.2 sec chord
Diameter=29.6 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
Star training set for 250112, (2022/01/28 19:58UT) Object RA Dec mag sep mel Pollux 07:46:39.9 +27:58:16 1.1 23.36 148 Alhena 06:38:59.2 +16:22:43 1.9 19.06 161 PPM 153144 07:42:44.7 +03:34:18 5.8 1.25 141 PPM 153032 07:39:27.9 +04:53:29 7.7 0.31 142 PPM 153043 07:39:49.4 +04:35:45 8.8 0.12 142 250112 07:40:15.4 +04:39:29 16.1 141 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 250112, (2022/01/28 19:58UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 23.36 148 Alhena 06:37:42.8 +16:23:57 1.9 19.06 161 PPM 153144 07:41:35.2 +03:37:28 5.8 1.25 141 PPM 153032 07:38:17.7 +04:56:34 7.7 0.31 142 PPM 153043 07:38:39.3 +04:38:51 8.8 0.12 142 250112 07:39:05.4 +04:42:35 16.1 142 Positions are for J2000
Event circumstances last updated at 2021/12/05 02:03:23 UT
Marc W. Buie, Southwest Research Institute