Event between 03LD9 and star GA0700:22301863 with event index number of 1662260
Geocentric closest approach at 2021/05/14 15:10:03 UTC
J2000 position of star is 18:19:57.5 -19:07:53
Equinox of date position of star is 18:21:12.8 -19:07:15
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 169 degrees from the moon.
Moon is 7% illuminated.
TNO apparent brightness V=23.0
TNO is 42.9 AU from the Sun
and 42.1 AU from the Earth.
The TNO is moving 17.4
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 866 seconds.
The 1-sigma cross-track error in the shadow position is
2581 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=295.1 km assuming a 5% albedo -- 16.9 sec chord
Diameter=120.5 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 03LD9, (2021/05/14 15:10UT) Object RA Dec mag sep mel Antares 16:30:43.3 -26:28:39 0.9 26.45 165 Nunki 18:56:35.3 -26:16:06 2.0 10.84 162 PPM 234421 18:22:38.4 -18:50:55 5.9 0.43 168 PPM 234409 18:22:17.4 -19:38:48 8.3 0.58 169 PPM 234422 18:22:41.3 -19:15:39 8.6 0.37 168 03LD9 18:21:13.1 -19:07:14 16.0 168 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 03LD9, (2021/05/14 15:10UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 26.45 165 Nunki 18:55:15.9 -26:17:49 2.0 10.84 162 PPM 234421 18:21:23.0 -18:51:36 5.9 0.43 168 PPM 234409 18:21:01.5 -19:39:28 8.3 0.58 169 PPM 234422 18:21:25.6 -19:16:20 8.6 0.37 168 03LD9 18:19:57.5 -19:07:53 16.0 169 Positions are for J2000
Event circumstances last updated at 2021/04/18 22:55:59 UT
Marc W. Buie, Southwest Research Institute