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AsteriaStar
Deflection method · Concept

Gravity Tractor

A spacecraft that hovers near an asteroid for years, its own tiny gravity slowly towing the asteroid onto a new path. Very slow, but precise and controllable — best used with decades of warning, and often after a kinetic impact to fine-tune the result.

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.