Event between (535231) 14YJ50 and star GA1080:03266489 with event index number of 2259234
Geocentric closest approach at 2028/02/02 00:43:24 UTC
J2000 position of star is 09:58:58.2 +18:10:30
Equinox of date position of star is 10:00:13.9 +18:03:52
Stellar brightness G=14.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 122 degrees from the moon.
Moon is 33% illuminated.
Apparent brightness V=22.5
Object is 37.2 AU from the Sun
and 36.3 AU from the Earth.
Apparent velocity is 24.5
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 191 seconds.
The 1-sigma cross-track error in the shadow position is
3526 km.
The object has an absolute magnitude Hv=6.8
Diameter=259.4 km assuming a 5% albedo -- 10.6 sec chord
Diameter=105.9 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is 3:2E
Star training set for 535231, (2028/02/02 00:43UT) Object RA Dec mag sep mel Regulus 10:09:52.0 +11:49:44 1.3 6.61 127 30Eta Leo 10:08:51.6 +16:37:28 3.5 2.44 125 PPM 127019 10:02:14.1 +17:25:56 8.0 0.73 123 PPM 126996 10:00:56.1 +17:58:20 9.5 0.12 122 535231 10:00:30.7 +18:02:23 14.6 123 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 535231, (2028/02/02 00:43UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 6.61 127 30Eta Leo 10:07:19.9 +16:45:46 3.5 2.44 125 PPM 127019 10:00:41.9 +17:34:06 8.0 0.73 123 PPM 126996 09:59:23.7 +18:06:28 9.5 0.12 122 535231 09:58:58.2 +18:10:30 14.6 122 Positions are for J2000
Event circumstances last updated at 2022/12/26 04:18:56 UT
Marc W. Buie, Southwest Research Institute