SD-2 is a type of satellite used for Earth observation and data collection. It is designed to capture high-resolution images and gather information about the Earth's surface, which can be useful for various applications, including environmental monitoring, urban planning, and disaster management. The satellite operates in low Earth orbit, allowing it to provide detailed imagery and data in near real-time. This capability supports industries such as agriculture, forestry, and climate research, helping scientists and policymakers make informed decisions based on accurate and timely information.