Related Clues:

• Orbit segment
• Highway bypass, usually
• Smiley smile
• Celestial path
• Plot's path
• Circular path
• Lob's trajectory
• Joan of __
• Follow the rainbow
• Pop fly's path
• Part of a loop
• Path with a perigee
• Balfe's ''Joan of ___''
• Projectile track
• Mir formality?