apoapsis


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Related to apoapsis: periapsis

apoapsis

[¦ap·ō¦ap·səs]
(astronomy)
The point in an orbit farthest from the center of attraction.
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Satellite comparison Satellite United States China Characteristics USA-193 Feng Yun-1C Satellite Type Reconnaissance Meteorological Satellite Mass 2,450 kg 880 kg Satellite Apoapsis 257 km 865 km Satellite Periapsis 242 km 845 km Satellite Inclination 58.
Apoapsis is the point at which our orbit is furthest from the Sun, and we speed up as we 'fall' towards periapsis, the closest approach to the Sun.
The program includes options to display a grid, zoom in and out, change the three-dimensional perspective, and indicate details about each orbit, including the location of periapsis and apoapsis, planet-rotation direction, and lines of nodes.