Event between (528219) 08KV42 and star GA1580:02490875 with event index number of 2442724
Geocentric closest approach at 2026/08/08 13:39:32 UTC
J2000 position of star is 15:07:47.2 +68:38:06
Equinox of date position of star is 15:08:01.5 +68:32:32
Stellar brightness G=13.5,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 81 degrees from the moon.
Moon is 23% illuminated.
Apparent brightness V=22.6
Object is 22.9 AU from the Sun
and 23.1 AU from the Earth.
Apparent velocity is 23.6
km/sec on the sky relative to the star, or,
5.1 arcsec/hr.
The 1-sigma error in the time of the event is 347 seconds.
The 1-sigma cross-track error in the shadow position is
4633 km.
The object has an absolute magnitude Hv=8.7
Diameter=104.7 km assuming a 5% albedo -- 4.7 sec chord
Diameter=42.8 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 528219, (2026/08/08 13:40UT) Object RA Dec mag sep mel Vega 18:37:50.3 +38:48:34 0.0 40.79 110 Kochab 14:50:39.4 +74:02:48 2.1 5.68 75 PPM 019362 15:15:04.2 +68:50:54 6.5 0.71 81 PPM 019318 15:10:08.1 +68:18:14 10.0 0.30 81 528219 15:08:02.7 +68:32:03 13.5 81 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 528219, (2026/08/08 13:40UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 40.79 110 Kochab 14:50:42.2 +74:09:20 2.1 5.68 75 PPM 019362 15:14:51.7 +68:56:45 6.5 0.71 81 PPM 019318 15:09:52.4 +68:24:14 10.0 0.30 81 528219 15:07:47.2 +68:38:06 13.5 81 Positions are for J2000
Event circumstances last updated at 2024/06/19 21:32:29 UT
Marc W. Buie, Southwest Research Institute