was discovered on May 10, 2008 by the Mount Lemmon Survey (G96). The discovery was confirmed by the Guidestar Observatory over 12 hours later. The discovery was announced in MPEC K08J62 on May 12. 2008 JO24 was posted as an impact risk by JPL Sentry but removed from the list on the same day. The size is estimated with approx. 900 meters.
60 short exposures of 20 seconds were taken and stacked to compensate for the motion of the NEO. The object is faintly visible on the edge of the limiting magnitude of our 14 inch telescope.
2008 JO24, NEO, 20.5 mag , P.A. 89.5°, 1.68"/min 3 stacks of 600 sec. each, 14 inch Schmidt-Cassegrain, ST8-XME 2x2 binned, image scale 1.75"/pixel