Event between 13AZ60 and star GA0540:07712421 with event index number of 1101471
Geocentric closest approach at 2021/05/15 21:52:05 UTC
J2000 position of star is 15:14:01.4 -34:51:57
Equinox of date position of star is 15:15:21.8 -34:56:39
Stellar brightness G=14.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 134 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=22.2
TNO is 15.4 AU from the Sun
and 14.4 AU from the Earth.
The TNO is moving 21.9
km/sec on the sky relative to the star, or,
7.5 arcsec/hr.
The 1-sigma error in the time of the event is 27 seconds.
The 1-sigma cross-track error in the shadow position is
1084 km.
The TNO has an absolute magnitude Hv=10.3
Diameter=52.2 km assuming a 5% albedo -- 2.4 sec chord
Diameter=21.3 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
Star training set for 13AZ60, (2021/05/15 21:52UT) Object RA Dec mag sep mel Antares 16:30:43.3 -26:28:39 0.9 18.23 150 Bet Lup 14:59:56.5 -43:13:07 2.7 8.80 131 PPM 293585 15:14:28.9 -36:10:14 6.2 1.24 134 PPM 293570 15:13:40.1 -35:02:49 8.0 0.36 134 PPM 293615 15:16:00.2 -34:50:24 9.3 0.17 134 13AZ60 15:15:22.1 -34:56:40 14.7 134 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 13AZ60, (2021/05/15 21:52UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 18.23 150 Bet Lup 14:58:31.9 -43:08:03 2.7 8.80 131 PPM 293585 15:13:07.6 -36:05:30 6.2 1.24 134 PPM 293570 15:12:19.5 -34:58:04 8.0 0.36 134 PPM 293615 15:14:39.5 -34:45:42 9.3 0.17 134 13AZ60 15:14:01.4 -34:51:57 14.7 134 Positions are for J2000
Event circumstances last updated at 2021/04/21 22:32:25 UT
Marc W. Buie, Southwest Research Institute