Event between (470309) 07JK43 and star GA1080:07353087 with event index number of 2229933
Geocentric closest approach at 2027/06/30 23:48:56 UTC
J2000 position of star is 19:03:27.0 +18:33:31
Equinox of date position of star is 19:04:31.7 +18:35:46
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 113 degrees from the moon.
Moon is 14% illuminated.
Apparent brightness V=21.8
Object is 27.3 AU from the Sun
and 26.5 AU from the Earth.
Apparent velocity is 23.6
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 77 seconds.
The 1-sigma cross-track error in the shadow position is
1347 km.
The object has an absolute magnitude Hv=7.3
Diameter=209.9 km assuming a 5% albedo -- 8.9 sec chord
Diameter=85.7 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CENTAURS
Star training set for 470309, (2027/06/30 23:49UT) Object RA Dec mag sep mel Vega 18:37:52.1 +38:48:37 0.0 21.03 103 Tarazed 19:47:34.0 +10:40:56 2.7 13.05 108 PPM 135695 19:04:04.5 +19:42:10 6.1 1.11 112 PPM 135763 19:06:05.0 +19:11:16 8.0 0.68 112 PPM 135712 19:04:39.8 +18:25:23 9.8 0.18 113 470309 19:04:39.7 +18:36:03 13.3 112 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 470309, (2027/06/30 23:49UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 21.03 103 Tarazed 19:46:15.6 +10:36:48 2.7 13.05 108 PPM 135695 19:02:52.6 +19:39:40 6.1 1.11 112 PPM 135763 19:04:52.7 +19:08:41 8.0 0.68 112 PPM 135712 19:03:27.0 +18:22:51 9.8 0.18 113 470309 19:03:27.0 +18:33:31 13.3 112 Positions are for J2000
Event circumstances last updated at 2024/06/21 21:29:33 UT
Marc W. Buie, Southwest Research Institute