Event between (385533) 04QD29 and star GA0720:33602628 with event index number of 1143123
Geocentric closest approach at 2021/05/02 01:02:09 UTC
J2000 position of star is 22:52:51.9 -16:59:59
Equinox of date position of star is 22:53:59.1 -16:53:15
Stellar brightness G=14.2,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 49 degrees from the moon.
Moon is 69% illuminated.
TNO apparent brightness V=23.4
TNO is 42.4 AU from the Sun
and 42.8 AU from the Earth.
The TNO is moving 18.8
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 1413 seconds.
The 1-sigma cross-track error in the shadow position is
4562 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 12.8 sec chord
Diameter=97.9 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 385533, (2021/05/02 01:02UT) Object RA Dec mag sep mel Fomalhaut 22:58:49.5 -29:30:31 1.2 12.67 47 77 Aqr 22:55:53.1 -16:09:30 5.6 0.86 49 PPM 240868 22:53:35.3 -16:32:35 8.3 0.36 49 PPM 240891 22:54:23.3 -17:03:05 8.8 0.19 49 385533 22:54:00.0 -16:53:10 14.2 49 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 385533, (2021/05/02 01:02UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 12.67 47 77 Aqr 22:54:45.2 -16:16:21 5.6 0.86 49 PPM 240868 22:52:27.3 -16:39:24 8.3 0.36 49 PPM 240891 22:53:15.2 -17:09:55 8.8 0.19 49 385533 22:52:51.9 -16:59:59 14.2 49 Positions are for J2000
Event circumstances last updated at 2021/01/20 21:12:29 UT
Marc W. Buie, Southwest Research Institute