Event between 00KL4 and star GA0840:08261246 with event index number of 2580970
Geocentric closest approach at 2022/05/08 02:31:55 UTC
J2000 position of star is 18:22:21.7 -05:39:42
Equinox of date position of star is 18:23:32.9 -05:38:57
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 41% illuminated.
TNO apparent brightness V=23.5
TNO is 39.1 AU from the Sun
and 38.4 AU from the Earth.
The TNO is moving 15.7
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 491 seconds.
The 1-sigma cross-track error in the shadow position is
5464 km.
The TNO has an absolute magnitude Hv=7.5
Diameter=187.9 km assuming a 5% albedo -- 12.0 sec chord
Diameter=76.7 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 00KL4, (2022/05/08 02:32UT) Object RA Dec mag sep mel Antares 16:30:46.9 -26:28:47 0.9 34.01 123 60Bet Oph 17:44:34.6 +04:33:35 2.8 14.10 128 PPM 201730 18:25:54.8 -07:03:45 6.5 1.53 143 PPM 201703 18:24:35.6 -05:34:14 8.5 0.27 142 PPM 201687 18:23:53.4 -05:41:33 9.4 0.09 142 00KL4 18:23:33.4 -05:38:57 16.1 142 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 00KL4, (2022/05/08 02:32UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 34.01 123 60Bet Oph 17:43:28.3 +04:34:06 2.8 14.10 128 PPM 201730 18:24:42.3 -07:04:34 6.5 1.53 143 PPM 201703 18:23:24.0 -05:35:00 8.5 0.27 142 PPM 201687 18:22:41.7 -05:42:19 9.4 0.09 142 00KL4 18:22:21.7 -05:39:42 16.1 141 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:12:28 UT
Marc W. Buie, Southwest Research Institute