Event between (543376) 14BE70 and star GA0740:04472983 with event index number of 1697226
Geocentric closest approach at 2021/06/25 17:58:39 UTC
J2000 position of star is 10:00:05.1 -14:23:14
Equinox of date position of star is 10:01:06.8 -14:29:24
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 124 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.2
TNO is 39.3 AU from the Sun
and 39.7 AU from the Earth.
The TNO is moving 22.1
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 174 seconds.
The 1-sigma cross-track error in the shadow position is
2234 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=363.1 km assuming a 5% albedo -- 16.4 sec chord
Diameter=148.2 km assuming a 30% albedo -- 6.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 543376, (2021/06/25 17:59UT) Object RA Dec mag sep mel Regulus 10:09:30.8 +11:51:41 1.3 26.43 138 Alphard 09:28:38.6 -08:45:10 2.0 9.80 134 40Ups2Hya 10:06:10.3 -13:10:11 4.6 1.80 124 PPM 222317 10:02:01.8 -14:15:43 8.2 0.32 124 PPM 222296 10:00:48.7 -14:26:51 9.4 0.09 124 543376 10:01:07.4 -14:29:28 16.8 124 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 543376, (2021/06/25 17:59UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 26.43 138 Alphard 09:27:35.2 -08:39:30 2.0 9.80 134 40Ups2Hya 10:05:07.4 -13:03:52 4.6 1.80 124 PPM 222317 10:00:59.3 -14:09:28 8.2 0.32 124 PPM 222296 09:59:46.3 -14:20:38 9.4 0.09 124 543376 10:00:05.1 -14:23:14 16.8 124 Positions are for J2000
Event circumstances last updated at 2021/04/10 00:38:10 UT
Marc W. Buie, Southwest Research Institute