Event between 01KD77 and star GA0680:33923444 with event index number of 1064451
Geocentric closest approach at 2021/06/05 15:19:05 UTC
J2000 position of star is 19:04:32.4 -21:16:51
Equinox of date position of star is 19:05:48.8 -21:14:51
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 98 degrees from the moon.
Moon is 20% illuminated.
TNO apparent brightness V=21.4
TNO is 36.7 AU from the Sun
and 35.8 AU from the Earth.
The TNO is moving 20.2
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 771 seconds.
The 1-sigma cross-track error in the shadow position is
5018 km.
The TNO has an absolute magnitude Hv=5.7
Diameter=446.7 km assuming a 5% albedo -- 22.1 sec chord
Diameter=182.4 km assuming a 30% albedo -- 9.0 sec chord
Dynamical classification is 3:2E
Star training set for 01KD77, (2021/06/05 15:19UT) Object RA Dec mag sep mel Antares 16:30:43.5 -26:28:40 0.9 35.71 132 Nunki 18:56:35.5 -26:16:06 2.0 5.45 100 39Omi Sgr 19:05:57.9 -21:42:30 3.9 0.46 98 PPM 269267 19:05:37.1 -21:29:55 7.6 0.26 98 PPM 269283 19:06:28.0 -21:02:57 9.3 0.25 98 01KD77 19:05:49.0 -21:14:51 14.9 98 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 01KD77, (2021/06/05 15:19UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 35.71 132 Nunki 18:55:15.9 -26:17:49 2.0 5.45 100 39Omi Sgr 19:04:41.1 -21:44:31 3.9 0.46 98 PPM 269267 19:04:20.4 -21:31:55 7.6 0.26 98 PPM 269283 19:05:11.6 -21:04:59 9.3 0.25 98 01KD77 19:04:32.4 -21:16:51 14.9 98 Positions are for J2000
Event circumstances last updated at 2021/05/17 01:02:29 UT
Marc W. Buie, Southwest Research Institute