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km2deg

Convert spherical distance from kilometers to degrees

Syntax

deg = km2deg(km)
deg = km2deg(km,radius)
deg = km2deg(km,sphere)

Description

deg = km2deg(km) converts distances from kilometers to degrees as measured along a great circle on a sphere with a radius of 6371 km, the mean radius of the Earth.

deg = km2deg(km,radius) converts distances from kilometers to degrees as measured along a great circle on a sphere having the specified radius. radius must be in units of kilometers.

deg = km2deg(km,sphere) converts distances from kilometers to degrees, as measured along a great circle on a sphere approximating an object in the Solar System. sphere may be one of the following values: 'sun', 'moon', 'mercury', 'venus', 'earth', 'mars', 'jupiter', 'saturn', 'uranus', 'neptune', or 'pluto', and is case-insensitive.

Examples

Two cities are 340 km apart. How many degrees of arc is that? How many degrees would it be if the cities were on Mars?

deg = km2deg(340)

deg =
    3.0577

deg = km2deg(340,'mars')

deg =
    5.7465

Introduced in R2007a

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