The coordinated observation technique of air and space assets has been increasing in recent years and this trend of earth observation area is expected to continue in the future. A service model for space-aeronautics cooperation earth-observing operations is proposed after analyzing the SWE (Sensor Web Enablement) standard. In this model, in order to provide a common framework for air and space assets, the sensor model language of space-aeronautics observing resources was constructed. The primary focus of this language is to define processes and processing components associated with the measurement and post-measurement transformation of observations. Through introducing the inheritance mechanism, the proposed language can provide more robust definitions of platform, measurement, location, position, constraints and other characters. Besides, to shorten the data acquisition cycle, the standard interface of SWE was encapsulated, and a common end-user can request data directly without detailed knowledge of the platforms state and capabilities. To test the performance of proposed model, some experiments were designed and the simulations and analysis display the feasibility and the adaptability of the proposed model.