topocentric
/ˌtɑpəˈsɛntrɪk/
adjective
- Relating to or measured from a specific point on the Earth's surface, especially in astronomy or surveying.
- The astronomer calculated the topocentric position of the planet as seen from the observatory.
- The surveyor used topocentric data to measure the distance between the two landmarks.
- Topocentric coordinates are essential for accurate GPS mapping in hilly terrain.