Event between (523759) 14WK509 and star GA1200:00997363 with event index number of 2614557
Geocentric closest approach at 2028/01/22 18:45:21 UTC
J2000 position of star is 04:37:06.6 +30:01:38
Equinox of date position of star is 04:38:37.6 +30:04:26
Stellar brightness G=13.5,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 171 degrees from the moon.
Moon is 13% illuminated.
Apparent brightness V=21.5
Object is 50.9 AU from the Sun
and 50.3 AU from the Earth.
Apparent velocity is 15.8
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 210 seconds.
The 1-sigma cross-track error in the shadow position is
2220 km.
The object has an absolute magnitude Hv=4.4
Diameter=783.5 km assuming a 5% albedo -- 50.9 sec chord
Diameter=319.8 km assuming a 30% albedo -- 20.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 523759, (2028/01/22 18:46UT) Object RA Dec mag sep mel Aldebaran 04:37:32.0 +16:33:49 0.8 13.52 167 3Iot Aur 04:58:49.5 +33:12:28 2.7 5.27 173 PPM 093607 04:36:23.6 +29:01:03 5.7 1.19 171 PPM 069546 04:39:01.4 +30:27:14 8.0 0.37 171 PPM 093634 04:38:50.0 +29:50:04 10.7 0.25 171 523759 04:38:53.2 +30:04:55 13.5 172 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 523759, (2028/01/22 18:46UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 13.52 167 3Iot Aur 04:56:59.6 +33:09:58 2.7 5.27 173 PPM 093607 04:34:38.0 +28:57:40 5.7 1.19 171 PPM 069546 04:37:14.5 +30:23:57 8.0 0.37 171 PPM 093634 04:37:03.6 +29:46:47 10.7 0.25 171 523759 04:37:06.6 +30:01:38 13.5 171 Positions are for J2000
Event circumstances last updated at 2023/12/18 04:24:13 UT
Marc W. Buie, Southwest Research Institute