Determination of the Primary Specular Point in the Sunglint Pattern of a Polar-Orbiting Satellite Image
Abstract
A mathematical procedure for calculating the location of the primary specular point (PSP) in polar-orbiting satellite data is described in step-by step detail. For purposes of this discussion, the PSP is defined as 11 that point on the great circle arc perpendicular to the satellite subpoint track passing through the satellite subpoint and the solar subpoint where the angle of incidence of the sun 1s rays on a horizontal plane (measured from the local zenith) is equal to the angle of reflection of the sun's rays to the satellite in space. 11 The procedure can easily be developed into a small computer program that can be run on a minicomputer or on a programmable calculator.
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 01, 1980
- Accession Number
- AD1223210
Entities
People
- Robert W. Fett
- Ted L. Tsui