Event between (523744) 14TC86 and star GA1080:03167812 with event index number of 2323494
Geocentric closest approach at 2028/03/16 18:14:18 UTC
J2000 position of star is 08:59:36.2 +18:19:15
Equinox of date position of star is 09:00:57.7 +18:13:34
Stellar brightness G=12.1,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 120 degrees from the moon.
Moon is 62% illuminated.
Apparent brightness V=22.1
Object is 42.0 AU from the Sun
and 41.3 AU from the Earth.
Apparent velocity is 17.1
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 150 seconds.
The 1-sigma cross-track error in the shadow position is
1821 km.
The object has an absolute magnitude Hv=5.8
Diameter=415.0 km assuming a 5% albedo -- 24.3 sec chord
Diameter=169.4 km assuming a 30% albedo -- 9.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 523744, (2028/03/16 18:15UT) Object RA Dec mag sep mel Regulus 10:09:52.4 +11:49:42 1.3 17.75 103 PPM 125810 08:52:21.2 +18:43:30 6.2 2.16 123 PPM 125970 08:59:53.8 +18:11:51 6.6 0.31 121 PPM 125982 09:00:46.1 +17:56:57 9.4 0.28 120 PPM 125994 09:01:29.8 +18:24:12 10.7 0.21 120 523744 09:01:11.7 +18:12:35 12.1 120 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 523744, (2028/03/16 18:15UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 17.75 103 PPM 125810 08:50:45.0 +18:49:55 6.2 2.16 123 PPM 125970 08:58:18.3 +18:18:29 6.6 0.31 121 PPM 125982 08:59:10.7 +18:03:36 9.4 0.28 120 PPM 125994 08:59:54.2 +18:30:53 10.7 0.21 120 523744 08:59:36.2 +18:19:15 12.1 120 Positions are for J2000
Event circumstances last updated at 2024/01/31 03:00:37 UT
Marc W. Buie, Southwest Research Institute