Apsis - Wikipedia
When discussing a satellite of Earth, including the Moon, the point of least distance is the perigee (/ ˈ p ɛr ɪ dʒ iː /), and of greatest distance, the apogee (from Ancient Greek: Γῆ (Gē), "land" or …
Perigee Altitude - an overview | ScienceDirect Topics
At a given instant, the altitude of an earth satellite is 400 km. Thirty minutes later, the altitude is 1000 km, and the true anomaly has increased by 120°. Find the perigee altitude. Find the …
近地点 - 维基百科，自由的百科全书
近地点（Perigee）是一个天文学上的用语，用来指地球 卫星在绕地飞行时与地球最近的距离。 地球卫星包括 月球 以及为数众多的 人造卫星 。 根据 天文物理学 和 数学 原理，卫星在绕主星 …
Apogee and Perigee in Satellite Communication - GeeksforGeeks
2024年2月27日 · Apogee point: If the distance between the satellite and the earth is very high (far) it is called an apogee point. Perigee point: If the distance between the satellite and Earth …
Parameters Describing Elliptical Orbits - Cornell University
Sometimes satellite orbits are described misusing the terms apogee and perigee when what is really meant is the "Apogee Altitude" and "Perigee Altitude": the distance above the Earth's …
Flight Dynamics - NASA
Overview: Here you'll learn all about orbits and how satellites and other objects revolve around the earth. You'll learn about concepts like planetary motion, apogee and perigee, and angles …
Why is the height of a satellite greater than the apogee of its orbit ...
2020年9月26日 · @jumpjack - For various esoteric reasons, the perigee and apogee altitude of a satellite are the minimum and maximum distances between the center of the Earth, minus the …
Hohmann Transfer is a two-impulse elliptical transfer between two co-planar circular orbits. The transfer itself consists of an elliptical orbit with a perigee at the inner orbit and an apogee at …
Perigee Attitude Maneuvers of Geostationary Satellites During …
2017年5月18日 · When full-electric orbit-raising trajectories begin in a classic geostationary transfer orbit with low initial perigee altitude, the need for deployed solar arrays to power the …
Orbital Dynamics - SpringerLink
2022年6月15日 · Even if the atmosphere of the Earth is defined up to an altitude of 2,000 km, a clear effect can be seen for circular orbits with an altitude below 800 km and for high-elliptic …