Event between (505679) 14WT69 and star GA1140:00561320 with event index number of 2442541
Geocentric closest approach at 2028/03/18 21:33:02 UTC
J2000 position of star is 03:55:43.6 +24:08:17
Equinox of date position of star is 03:57:05.8 +24:12:13
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 143 degrees from the moon.
Moon is 41% illuminated.
TNO apparent brightness V=22.8
TNO is 47.0 AU from the Sun
and 47.5 AU from the Earth.
The TNO is moving 17.4
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 364 seconds.
The 1-sigma cross-track error in the shadow position is
2914 km.
The TNO has an absolute magnitude Hv=5.9
Diameter=394.5 km assuming a 5% albedo -- 23.0 sec chord
Diameter=161.0 km assuming a 30% albedo -- 9.4 sec chord
Dynamical classification is SCATNEAR
Star training set for 505679, (2028/03/18 21:22UT) Object RA Dec mag sep mel Aldebaran 04:37:32.6 +16:33:50 0.8 12.12 150 44Zet Per 03:55:54.8 +31:57:54 2.8 7.75 143 33 Tau 03:58:44.5 +23:15:19 6.0 1.01 143 PPM 093123 04:00:02.3 +24:09:36 7.6 0.60 143 PPM 093060 03:56:42.9 +24:02:19 9.7 0.24 142 PPM 093072 03:57:37.8 +24:26:36 10.4 0.23 143 505679 03:57:24.9 +24:13:07 16.2 143 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 505679, (2028/03/18 21:22UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 12.12 150 44Zet Per 03:54:07.9 +31:53:01 2.8 7.75 143 33 Tau 03:57:03.9 +23:10:32 6.0 1.01 143 PPM 093123 03:58:20.9 +24:04:51 7.6 0.60 143 PPM 093060 03:55:01.7 +23:57:28 9.7 0.24 142 PPM 093072 03:55:56.3 +24:21:46 10.4 0.23 143 505679 03:55:43.6 +24:08:17 16.2 143 Positions are for J2000
Event circumstances last updated at 2022/11/28 03:16:54 UT
Marc W. Buie, Southwest Research Institute