Event between (527328) 07TK422 and star GA1060:00333612 with event index number of 2136280
Geocentric closest approach at 2023/01/06 00:08:14 UTC
J2000 position of star is 03:17:24.0 +17:32:12
Equinox of date position of star is 03:18:41.3 +17:37:08
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 44 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=23.1
TNO is 24.3 AU from the Sun
and 23.7 AU from the Earth.
The TNO is moving 12.5
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 305 seconds.
The 1-sigma cross-track error in the shadow position is
1631 km.
The TNO has an absolute magnitude Hv=9.1
Diameter=83.2 km assuming a 5% albedo -- 7.4 sec chord
Diameter=34.0 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is CENTAURR
Star training set for 527328, (2023/01/06 00:08UT) Object RA Dec mag sep mel Aldebaran 04:37:14.6 +16:33:14 0.8 18.79 27 Menkar 03:03:29.1 +04:10:43 2.5 13.95 53 57Del Ari 03:12:57.0 +19:48:44 4.3 2.58 44 PPM 118974 03:18:30.7 +17:39:22 8.5 0.06 44 527328 03:18:42.2 +17:37:12 16.8 43 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 527328, (2023/01/06 00:08UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 18.79 27 Menkar 03:02:16.8 +04:05:21 2.5 13.95 53 57Del Ari 03:11:38.0 +19:43:36 4.3 2.58 44 PPM 118974 03:17:12.5 +17:34:22 8.5 0.06 44 527328 03:17:24.0 +17:32:12 16.8 44 Positions are for J2000
Event circumstances last updated at 2022/10/03 04:15:29 UT
Marc W. Buie, Southwest Research Institute