Event between 13AZ60 and star GA0540:07819469 with event index number of 1101458
Geocentric closest approach at 2021/04/14 19:35:04 UTC
J2000 position of star is 15:21:09.6 -35:02:33
Equinox of date position of star is 15:22:30.4 -35:07:04
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 162 degrees from the moon.
Moon is 7% illuminated.
TNO apparent brightness V=22.2
TNO is 15.2 AU from the Sun
and 14.4 AU from the Earth.
The TNO is moving 18.2
km/sec on the sky relative to the star, or,
6.3 arcsec/hr.
The 1-sigma error in the time of the event is 29 seconds.
The 1-sigma cross-track error in the shadow position is
1096 km.
The TNO has an absolute magnitude Hv=10.3
Diameter=52.2 km assuming a 5% albedo -- 2.9 sec chord
Diameter=21.3 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 13AZ60, (2021/04/14 19:35UT) Object RA Dec mag sep mel Antares 16:30:43.0 -26:28:39 0.9 16.97 164 Eta Lup 16:01:32.4 -38:27:20 2.8 8.49 158 Phi2Lup 15:24:31.4 -36:56:00 4.5 1.86 161 PPM 293724 15:21:34.1 -35:00:05 8.1 0.22 162 PPM 293741 15:22:45.9 -35:15:42 9.3 0.15 162 13AZ60 15:22:30.5 -35:07:04 16.0 162 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, (2021/04/14 19:35UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.97 164 Eta Lup 16:00:07.3 -38:23:48 2.8 8.49 158 Phi2Lup 15:23:09.3 -36:51:31 4.5 1.86 161 PPM 293724 15:20:13.3 -34:55:32 8.1 0.22 162 PPM 293741 15:21:24.9 -35:11:11 9.3 0.15 162 13AZ60 15:21:09.6 -35:02:33 16.0 162 Positions are for J2000
Event circumstances last updated at 2021/04/07 23:50:31 UT
Marc W. Buie, Southwest Research Institute