PURPOSE: A tracker for generating solar power is provided to stably support a solar cell module using a first truss structure and a second truss structure. CONSTITUTION: A solar cell module(100) converts and outputs sunlight into an electrical signal. A first truss structure(200) supports the solar cell module. A joint(300) supports the first truss structure. A first slew driver(400) rotates the first truss structure to a first direction. A second truss structure(500) supports the joint. A second slew driver(600) rotates the second truss structure to a second direction which is perpendicular to the first direction.
