Event between (535024) 14WR509 and star GA1200:00975978 with event index number of 2372007
Geocentric closest approach at 2028/11/25 21:13:05 UTC
J2000 position of star is 04:34:35.1 +31:53:08
Equinox of date position of star is 04:36:07.6 +31:56:01
Stellar brightness G=13.3,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 77 degrees from the moon.
Moon is 67% illuminated.
Apparent brightness V=21.7
Object is 27.8 AU from the Sun
and 26.8 AU from the Earth.
Apparent velocity is 24.4
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 127 seconds.
The 1-sigma cross-track error in the shadow position is
2217 km.
The object has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 8.6 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is 3:2E
Star training set for 535024, (2028/11/25 21:16UT) Object RA Dec mag sep mel Aldebaran 04:37:34.9 +16:33:55 0.8 15.38 76 3Iot Aur 04:58:52.8 +33:12:32 2.7 4.89 81 PPM 069458 04:32:30.0 +32:31:06 6.2 1.01 76 PPM 069500 04:35:29.9 +31:43:06 8.5 0.30 76 535024 04:36:26.4 +31:56:36 13.3 77 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 535024, (2028/11/25 21:16UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 15.38 76 3Iot Aur 04:56:59.6 +33:09:58 2.7 4.89 81 PPM 069458 04:30:38.4 +32:27:28 6.2 1.01 76 PPM 069500 04:33:38.8 +31:39:35 8.5 0.30 76 535024 04:34:35.1 +31:53:08 13.3 77 Positions are for J2000
Event circumstances last updated at 2024/01/09 22:28:38 UT
Marc W. Buie, Southwest Research Institute