Callisto 21 Quick-Look Orbit Facts

Encounter Trajectory

Quick-Look Facts

• June 30, 1999 -- 07:47 UTC
• Altitude: 1047 km
• 118 times closer than Voyager 1
• 202 times closer than Voyager 2
• Speed: 8.6 km/second
• Latitude: 1 deg S
• Longitude: 74 deg W

Perijove

• July 2, 1999 -- 05:03 UTC
• Jupiter Range: 7.3 Jupiter Radii
• Earth Range: 5.2 AU
• One Way Light Time: 43 minutes

• June 30, 1999 - July 3, 1999

• July 3, 1999 - August 11, 1999

Science Highlights

• Perijove sample (2 hrs) - plasma transport mechanisms
• Inner magnetosphere survey

Jovian Atmosphere

• Longitudinal spectral scans

Satellites

• Callisto: dark material, ring structures, thermal maps, surface composition
• Io: global composition, thermal, and visual maps, plume inventory

Callisto Flyby Geometry

Perijove Reduction

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