File:Elipbkepr.svg

Summary

Description
English: Kepler elipses and nomenclature of asteroids:
1) Amor: half axis > AE and e small enough for not crossing earth orbit.
2) Apollo: half axis > AE but elarge enabling earth orbit crossing.
3) Aten: 1/2 AE < half axis < AE and eccentricity large enabling earth orbit crossing.
AE: Astronomic unit
e: eccentricity
dotted circle: earth orbit
green dotted line: Earth radius = AE
red line: half axis = 1 AE
blue dots: foci of elipse
Source Own work
Author Dantor

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Category:CC-BY-SA-3.0#Elipbkepr.svgCategory:Self-published work
Category:Near-Earth asteroids
Category:CC-BY-SA-3.0 Category:Near-Earth asteroids Category:Self-published work