Event between (527604) 07VL305 and star GA0840:00609870 with event index number of 2593755
Geocentric closest approach at 2027/12/18 22:39:15 UTC
J2000 position of star is 05:26:49.9 -04:43:07
Equinox of date position of star is 05:28:01.0 -04:41:59
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 77 degrees from the moon.
Moon is 66% illuminated.
Apparent brightness V=23.1
Object is 28.5 AU from the Sun
and 27.6 AU from the Earth.
Apparent velocity is 24.4
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 152 seconds.
The 1-sigma cross-track error in the shadow position is
1045 km.
The object has an absolute magnitude Hv=8.5
Diameter=119.7 km assuming a 5% albedo -- 5.0 sec chord
Diameter=48.9 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is 1:1
Star training set for 527604, (2027/12/18 22:45UT) Object RA Dec mag sep mel Rigel 05:15:53.0 -08:10:17 0.1 4.63 81 34Del Ori 05:33:26.2 -00:16:50 2.2 4.60 76 PPM 188111 05:30:47.4 -03:25:34 5.6 1.42 77 PPM 188092 05:29:56.2 -04:40:35 7.6 0.43 77 PPM 188064 05:27:53.5 -04:37:02 8.8 0.11 78 527604 05:28:12.8 -04:41:48 14.9 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 527604, (2027/12/18 22:45UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 4.63 81 34Del Ori 05:32:00.4 -00:17:57 2.2 4.60 76 PPM 188111 05:29:23.7 -03:26:47 5.6 1.42 77 PPM 188092 05:28:33.2 -04:41:50 7.6 0.43 77 PPM 188064 05:26:30.5 -04:38:22 8.8 0.11 78 527604 05:26:49.9 -04:43:07 14.9 77 Positions are for J2000
Event circumstances last updated at 2023/12/24 04:36:26 UT
Marc W. Buie, Southwest Research Institute