scan center nominal

The center of the cluster of scene centers of scenes imaged over the SAME area but AT different times. Useful as an indexing tool in view of the fact that slight changes in the Landsat orbit, in addition to difficulties in timing or framing individual Landsat scenes, cause scenes acquired on different dates over the same area to coincide inexactly.

Related Terms
National Information Center NIC,   nominal,   scan center nominal,   scan correlated shift SCS,   scan line,   scan line length,  

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