Event between (535024) 14WR509 and star GA1200:00869965 with event index number of 2338586
Geocentric closest approach at 2027/12/14 16:57:04 UTC
J2000 position of star is 04:21:09.2 +30:16:14
Equinox of date position of star is 04:22:40.2 +30:19:34
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 28 degrees from the moon.
Moon is 98% illuminated.
Apparent brightness V=21.8
Object is 28.0 AU from the Sun
and 27.1 AU from the Earth.
Apparent velocity is 23.8
km/sec on the sky relative to the star, or,
4.4 arcsec/hr.
The 1-sigma error in the time of the event is 105 seconds.
The 1-sigma cross-track error in the shadow position is
1919 km.
The object has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 8.9 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is 3:2E
Star training set for 535024, (2027/12/14 17:00UT) Object RA Dec mag sep mel Aldebaran 04:37:31.7 +16:33:48 0.8 14.17 28 44Zet Per 03:55:53.8 +31:57:51 2.8 6.01 34 PPM 069410 04:27:53.4 +31:29:59 5.3 1.58 27 PPM 093364 04:16:55.9 +29:58:09 8.2 1.34 30 PPM 069358 04:23:32.5 +30:15:21 9.8 0.16 28 535024 04:22:55.0 +30:20:07 16.2 28 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, (2027/12/14 17:00UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 14.17 28 44Zet Per 03:54:07.9 +31:53:01 2.8 6.01 34 PPM 069410 04:26:06.4 +31:26:18 5.3 1.58 27 PPM 093364 04:15:10.6 +29:54:04 8.2 1.34 30 PPM 069358 04:21:46.7 +30:11:30 9.8 0.16 28 535024 04:21:09.2 +30:16:14 16.2 28 Positions are for J2000
Event circumstances last updated at 2024/01/09 04:41:19 UT
Marc W. Buie, Southwest Research Institute