periapsis

Tanımlar (İngilizce)

1. isim The point of a body's (elliptical) orbit in a 2-body gravitational system such that the distance between the two bodies (measured from their respective centres of mass) is at its minimum.

   “2004, R. S. Saunders, et al., Mars Odyssey Mission, C. T. Russell (editor), 2001 Mars Odyssey, Kluwer Academic Publishers, page 34, The main aerobraking phase began once the point of the spacecraft's periapsis had been lowered to within 110 km above the Martian surface.”

2. isim The minimum distance between the two bodies in such a system.