Future launches

Known Plutonium Launches Scheduled After Cassini


  • Site Rover 1998 launch date with 29.70 pounds (13.5 kg) of plutonium
  • Telescope 1999 launch date with 39.6 pounds (18 kg) of plutonium
  • Network 2001 and 2002 launches with total of 19.8 pounds (9 kg) of plutonium


  • MESUR with launches in 1999, 2001, 2003 with a total of 23.10 pounds (10.5 kg) of plutonium
  • Mars SR with two launches in 2007, 2009 with a total of 14.30 (6.5 kg) pounds of plutonium

    Outer Solar System

  • Comet Nucleus Mission 2002 launch date with 56.10 pounds (25.5 kg) of plutonium
  • Pluto Flyby 2003 launch date with 56.10 pounds (25.5 kg) of plutonium
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