Callisto 20 Quick-Look Orbit Facts

Encounter Trajectory

Quick-Look Facts

• May 5, 1999 -- 14:06 UTC
• Altitude: 1311 km
• 94 times closer than Voyager 1
• 162 times closer than Voyager 2
• Speed: 8.6 km/second
• Latitude: 2.5 deg N
• Longitude: 102 deg W

Perijove

• May 3, 1999 -- 17:11 UTC
• Jupiter Range: 9.4 Jupiter Radii
• Earth Range: 5.8 AU
• One Way Light Time: 49 minutes

• May 2-5, 1999

• May 5, 1999 - June 30, 1999

Science Highlights

• Perijove sample (2 hrs) - plasma transport mechanisms
• Inner magnetosphere survey including dark region
• Io torus

Jovian Atmosphere

• Cloud structure and dynamics
• Atmospheric wave structure
• Stratosphere composition
• Upper atmosphere and aurora energy budgets
• Hot maps, longitudinal spectral scans

Satellites

• Callisto: compostion, crater statistics, dark flows, radio science Earth occultation
• Io: monitoring, composition
• Europa: global, eclipse

Callisto Flyby Geometry

Perijove Reduction

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