Event between (525460) 05EX297 and star GA0920:03612903 with event index number of 2571751
Geocentric closest approach at 2028/12/15 05:26:48 UTC
J2000 position of star is 11:52:48.3 +03:36:21
Equinox of date position of star is 11:53:57.3 +03:28:52
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 76 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.9
TNO is 42.8 AU from the Sun
and 42.9 AU from the Earth.
The TNO is moving 6.4
km/sec on the sky relative to the star, or,
0.7 arcsec/hr.
The 1-sigma error in the time of the event is 1161 seconds.
The 1-sigma cross-track error in the shadow position is
5189 km.
The TNO has an absolute magnitude Hv=6.4
Diameter=319.2 km assuming a 5% albedo -- 49.9 sec chord
Diameter=130.3 km assuming a 30% albedo -- 20.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 525460, (2028/12/15 05:27UT) Object RA Dec mag sep mel Regulus 10:09:54.8 +11:49:28 1.3 27.16 103 Denebola 11:50:32.3 +14:24:37 2.1 11.00 82 7 Vir 12:01:25.9 +03:29:38 5.4 1.78 74 PPM 158328 11:56:36.1 +03:03:27 8.0 0.69 75 PPM 158297 11:54:53.4 +03:30:10 9.5 0.16 76 525460 11:54:17.4 +03:26:41 15.7 76 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 525460, (2028/12/15 05:27UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 27.16 103 Denebola 11:49:02.8 +14:34:17 2.1 11.00 82 7 Vir 11:59:56.9 +03:39:18 5.4 1.78 74 PPM 158328 11:55:07.0 +03:13:07 8.0 0.69 75 PPM 158297 11:53:24.3 +03:39:50 9.5 0.16 76 525460 11:52:48.3 +03:36:21 15.7 76 Positions are for J2000
Event circumstances last updated at 2022/06/01 23:41:59 UT
Marc W. Buie, Southwest Research Institute