The Orbital Imaging Corp. subsidiary of Orbital Sciences Corp. [ORB] will participate in the Geography Network, an Internet-based global marketplace for geographic data and services.

Orbimage will supply its high-resolution, digital imagery of major urban areas around the world. It plans to have images of 125 urban areas available by the end of the year.

The Geography Network is being organized by ESRI of Redlands, Calif., a leading supplier of software used in geographic information systems.