Event between (612951) 05EB299 and star GA0760:05095078 with event index number of 2819773
Geocentric closest approach at 2023/12/29 04:58:38 UTC
J2000 position of star is 14:06:03.4 -13:15:13
Equinox of date position of star is 14:07:15.8 -13:21:34
Stellar brightness G=12.6,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 92 degrees from the moon.
Moon is 95% illuminated.
TNO apparent brightness V=23.1
TNO is 28.0 AU from the Sun
and 28.5 AU from the Earth.
The TNO is moving 20.2
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 141 seconds.
The 1-sigma cross-track error in the shadow position is
1565 km.
The TNO has an absolute magnitude Hv=8.4
Diameter=124.7 km assuming a 5% albedo -- 6.2 sec chord
Diameter=50.9 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
Star training set for 612951, (2023/12/29 04:59UT) Object RA Dec mag sep mel Spica 13:26:27.6 -11:17:09 1.0 10.20 82 PPM 228240 14:05:45.2 -15:05:10 6.3 1.76 92 PPM 228278 14:07:09.6 -12:49:02 8.5 0.55 91 PPM 228279 14:07:13.4 -13:22:42 9.8 0.03 92 612951 14:07:21.1 -13:22:03 12.6 92 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 612951, (2023/12/29 04:59UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 10.20 82 PPM 228240 14:04:26.9 -14:58:19 6.3 1.76 92 PPM 228278 14:05:52.0 -12:42:12 8.5 0.55 91 PPM 228279 14:05:55.7 -13:15:53 9.8 0.03 92 612951 14:06:03.4 -13:15:13 12.6 92 Positions are for J2000
Event circumstances last updated at 2022/05/03 01:44:34 UT
Marc W. Buie, Southwest Research Institute