Event between 10BK118 and star GA0380:13156870 with event index number of 2077249
Geocentric closest approach at 2022/04/28 22:50:50 UTC
J2000 position of star is 14:50:21.1 -51:45:54
Equinox of date position of star is 14:51:55.0 -51:51:20
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 127 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=23.6
TNO is 21.4 AU from the Sun
and 20.6 AU from the Earth.
The TNO is moving 32.9
km/sec on the sky relative to the star, or,
7.9 arcsec/hr.
The 1-sigma error in the time of the event is 81 seconds.
The 1-sigma cross-track error in the shadow position is
952 km.
The TNO has an absolute magnitude Hv=10.2
Diameter=55.2 km assuming a 5% albedo -- 1.7 sec chord
Diameter=22.5 km assuming a 30% albedo -- 0.7 sec chord
Dynamical classification is CENTAURR
Star training set for 10BK118, (2022/04/28 22:51UT) Object RA Dec mag sep mel PPM 360911 14:41:08.3 -60:55:35 0.0 9.19 120 Alp Lup 14:43:25.5 -47:28:57 2.3 4.58 132 PPM 343155 14:48:47.1 -52:17:52 6.5 0.65 127 PPM 343181 14:50:18.9 -51:28:32 8.3 0.46 128 PPM 343206 14:51:48.0 -51:46:33 9.7 0.08 127 10BK118 14:51:55.5 -51:51:22 16.6 127 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 10BK118, (2022/04/28 22:51UT) Object RA Dec mag sep mel PPM 360911 14:39:25.2 -60:49:52 0.0 9.19 120 Alp Lup 14:41:55.7 -47:23:18 2.3 4.58 132 PPM 343155 14:47:12.7 -52:12:19 6.5 0.65 127 PPM 343181 14:48:45.1 -51:23:01 8.3 0.46 128 PPM 343206 14:50:13.7 -51:41:05 9.7 0.08 127 10BK118 14:50:21.1 -51:45:54 16.6 127 Positions are for J2000
Event circumstances last updated at 2022/03/14 01:01:45 UT
Marc W. Buie, Southwest Research Institute