Event between 06BR284 and star GA1040:03328892 with event index number of 1060360
Geocentric closest approach at 2021/03/15 23:53:43 UTC
J2000 position of star is 09:47:49.2 +14:15:48
Equinox of date position of star is 09:48:57.8 +14:09:54
Stellar brightness G=14.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 120 degrees from the moon.
Moon is 6% illuminated.
TNO apparent brightness V=23.1
TNO is 42.2 AU from the Sun
and 41.4 AU from the Earth.
The TNO is moving 21.3
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 375 seconds.
The 1-sigma cross-track error in the shadow position is
4310 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=258.2 km assuming a 5% albedo -- 12.1 sec chord
Diameter=105.4 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 06BR284, (2021/03/15 23:54UT) Object RA Dec mag sep mel Regulus 10:09:29.9 +11:51:46 1.3 5.50 125 16Psi Leo 09:44:53.0 +13:55:25 5.3 1.02 119 PPM 126823 09:50:15.6 +14:30:22 7.9 0.46 120 PPM 126797 09:48:45.9 +14:12:49 9.2 0.07 120 06BR284 09:48:58.3 +14:09:51 14.5 120 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 06BR284, (2021/03/15 23:54UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 5.50 125 16Psi Leo 09:43:43.9 +14:01:18 5.3 1.02 119 PPM 126823 09:49:06.5 +14:36:20 7.9 0.46 120 PPM 126797 09:47:36.8 +14:18:45 9.2 0.07 120 06BR284 09:47:49.2 +14:15:48 14.5 120 Positions are for J2000
Event circumstances last updated at 2021/01/19 21:10:31 UT
Marc W. Buie, Southwest Research Institute