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The Galileo spacecraft was orbiting Jupiter between Dec 1995 and Sep 2003.The Galileo dust detector monitored the jovian dust environment between about 2and 370 R_J (jovian radius R_J = 71492 km). We present data from the Galileodust instrument for the period January 2000 to September 2003. We report on thedata of 5389 particles measured between 2000 and the end of the mission in2003. The majority of the 21250 particles for which the full set of measuredimpact parameters (impact time, impact direction, charge rise times, chargeamplitudes, etc.) was transmitted to Earth were tiny grains (about 10 nm inradius), most of them originating from Jupiter's innermost Galilean moon Io.Their impact rates frequently exceeded 10 min^-1. Surprisingly large impactrates up to 100 min^-1 occurred in Aug/Sep 2000 when Galileo was at about 280R_J from Jupiter. This peak in dust emission appears to coincide with strongchanges in the release of neutral gas from the Io torus. Strong variability inthe Io dust flux was measured on timescales of days to weeks, indicating largevariations in the dust release from Io or the Io torus or both on such shorttimescales. Galileo has detected a large number of bigger micron-sizedparticles mostly in the region between the Galilean moons. A surprisingly largenumber of such bigger grains was measured in March 2003 within a 4-day intervalwhen Galileo was outside Jupiter's magnetosphere at approximately 350 R_Jjovicentric distance. Two passages of Jupiter's gossamer rings in 2002 and 2003provided the first actual comparison of in-situ dust data from a planetary ringwith the results inferred from inverting optical images.

Galileo dust data from the jovian system: 2000 to 2003