mascon.

A concentration of mass within a celestial body that produces a local excess in gravitational attraction.

Use it for

Words that belong together

• a lunar mascon
• a mascon beneath a basin
• mascon-induced perturbations

On the page

The orbiter's repeated deviations revealed a mascon beneath the ancient basin.

Mission planners revised the route to account for the lunar mascon.

Usage notes

Primary category: sci-fi. Forms: Singular mascon; plural mascons. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.