Perihelion

Details Perihelion Perihelion

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000eaa..booke4464.&link_type=abstract

"Encyclopedia of Astronomy and Astrophysics, Edited by Paul Murdin, article 4464. Bristol: Institute of Physics Publishing, 2001

Astronomy and Astrophysics

Astrophysics

Solar System, Solar System Models And Concepts

Scientific paper

The point in the elliptical orbit of a planet or other object around the Sun at which it is closest to the Sun. The Earth, for example, reaches perihelion in January, when it is about 147 million km from the Sun. This is the Earth's perihelion distance. The heliographic longitude of a body's perihelion point steadily moves around the Sun in the direction of the object's orbital motion as the majo...

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