11 new distant satellites of Jupiter were found by David Jewitt's group in 2000. One was actually a rediscovery of a moon glimpsed in 1975. The IAU Circular describing the 10 new new moons is here. Spacewatch found another jovian irregular in 1999.

The current count of known natural satellites of the planets:

Mercury: 0
Venus: 0
Earth: 1
Mars: 2
Jupiter: 28
Saturn: 30
Uranus: 21
Neptune: 8
Pluto: 1

TOTAL: 91