An orbit is the curved trajectory of an object around a celestial body.
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Term
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Features
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Note
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circular
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eccentricity = 0
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elliptical
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eccentricity > 0 and < 1
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parabolic
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eccentricity = 1
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velocity = escape velocity
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hyperbolic
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eccentricity > 1
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velocity > escape velocity
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radial
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eccentricity = 1 with angular momentum = 0
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the 2 objects move towards or away from each other in a straight line
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decaying
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distance between the 2 objects decreases over time
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used to dispose of an artificial satellite
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