![Canada Centre for Remote Sensing Canada Centre for Remote Sensing](/web/20061103104603im_/http://ccrs.nrcan.gc.ca/esst_images/ccrs_e.jpeg) Natural Resources Canada > Earth Sciences Sector > Priorities > Canada Centre for Remote Sensing
Remote sensing satellites Orbits
Remote sensing (or Earth Observation) satellites are usually in a "near-polar" orbit, missing the Earth's poles by several degrees. The convention is that those orbit segments which proceed north-to-south are termed "descending", while those proceeding south-to-north are termed "ascending".
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