Event between (535022) 14WN509 and star GA0860:03966049 with event index number of 2261788
Geocentric closest approach at 2028/01/20 02:21:52 UTC
J2000 position of star is 11:24:09.1 -03:43:37
Equinox of date position of star is 11:25:23.5 -03:51:38
Stellar brightness G=14.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 52 degrees from the moon.
Moon is 36% illuminated.
Apparent brightness V=22.4
Object is 41.0 AU from the Sun
and 40.4 AU from the Earth.
Apparent velocity is 13.3
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 312 seconds.
The 1-sigma cross-track error in the shadow position is
2370 km.
The object has an absolute magnitude Hv=6.2
Diameter=334.2 km assuming a 5% albedo -- 25.7 sec chord
Diameter=136.4 km assuming a 30% albedo -- 10.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 535022, (2028/01/20 02:18UT) Object RA Dec mag sep mel Regulus 10:09:51.9 +11:49:44 1.3 24.52 76 4Gam Crv 12:17:15.2 -17:41:51 2.6 18.74 35 87 Leo 11:31:44.9 -03:09:31 4.8 1.70 51 PPM 194415 11:25:00.8 -03:26:39 8.5 0.46 52 PPM 194413 11:24:53.3 -03:50:44 9.8 0.18 52 PPM 194427 11:25:50.7 -03:48:00 10.1 0.10 52 535022 11:25:34.9 -03:52:52 14.7 51 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 535022, (2028/01/20 02:18UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 24.52 76 4Gam Crv 12:15:48.1 -17:32:30 2.6 18.74 35 87 Leo 11:30:18.9 -03:00:13 4.8 1.70 51 PPM 194415 11:23:34.9 -03:17:24 8.5 0.46 52 PPM 194413 11:23:27.4 -03:41:29 9.8 0.18 52 PPM 194427 11:24:24.8 -03:38:45 10.1 0.10 52 535022 11:24:09.1 -03:43:37 14.7 52 Positions are for J2000
Event circumstances last updated at 2024/04/23 03:32:54 UT
Marc W. Buie, Southwest Research Institute