longitude of ascending node

简明释义

升交点黄经

英英释义

例句

1.The satellite's longitude of ascending node 升交点经度 is crucial for its orbital calculations.

卫星的升交点经度 升交点经度 对其轨道计算至关重要。

2.To determine the orbit, we need to know the longitude of ascending node 升交点经度 of the spacecraft.

要确定轨道，我们需要知道航天器的升交点经度 升交点经度。

3.During the launch, the longitude of ascending node 升交点经度 was adjusted for optimal performance.

在发射过程中，升交点经度 升交点经度 被调整以实现最佳性能。

4.The longitude of ascending node 升交点经度 affects the ground track of the satellite.

卫星的地面轨迹受升交点经度 升交点经度的影响。

5.The mission planner must calculate the longitude of ascending node 升交点经度 to ensure proper satellite coverage.

任务规划者必须计算升交点经度 升交点经度 以确保适当的卫星覆盖。

作文

In the realm of celestial mechanics, understanding the various orbital elements is crucial for predicting the motion of celestial bodies. One such element is the longitude of ascending node, which plays a significant role in defining the orientation of an orbit. The longitude of ascending node is defined as the angle between the reference direction, usually the direction of the vernal equinox, and the ascending node of the orbit, where the orbiting body crosses the plane of reference from south to north. This measurement is typically expressed in degrees and is essential for determining the position of an object in its orbit at any given time.To comprehend the importance of the longitude of ascending node, it is helpful to visualize the orbits of planets or satellites around a central body, such as the Earth around the Sun. The orbits are not perfect circles but rather elliptical paths, and their orientation can vary significantly. The longitude of ascending node helps astronomers and scientists specify the tilt and rotation of these orbits relative to a fixed point in space. Without this parameter, it would be challenging to accurately predict when and where celestial bodies will appear in the sky.The longitude of ascending node is particularly important in the context of satellite technology. For instance, when launching a satellite, engineers must carefully calculate its orbital parameters to ensure that it reaches the desired altitude and inclination. The longitude of ascending node is a key factor in this calculation, as it determines the satellite's path relative to the Earth's surface. If the longitude of ascending node is not correctly set, the satellite may end up in an unintended orbit, which could lead to communication failures or collisions with other objects in space.Moreover, the longitude of ascending node is also significant in the study of planetary formation and evolution. By analyzing the longitude of ascending node of various celestial bodies, scientists can gain insights into the gravitational interactions that shaped their orbits. For example, the orbits of moons around their planets can reveal information about the history of the planet's formation and the dynamics of its early solar system.In conclusion, the longitude of ascending node is a fundamental concept in astronomy and astrophysics that aids in understanding the dynamics of orbits. It serves as a vital tool for predicting the positions of celestial bodies, facilitating satellite launches, and unraveling the mysteries of planetary formation. As we continue to explore the universe, mastering concepts like the longitude of ascending node becomes increasingly important for both scientific advancement and practical applications in space exploration.

在天体力学领域，理解各种轨道元素对于预测天体的运动至关重要。其中一个元素是升交点经度，它在定义轨道的方向中起着重要作用。升交点经度定义为参考方向（通常是春分点的方向）与轨道的升交点之间的角度，升交点是轨道物体从南向北穿越参考平面的地方。这个测量通常以度数表示，对于确定物体在其轨道上任何给定时刻的位置至关重要。要理解升交点经度的重要性，想象行星或卫星围绕中央天体（例如地球围绕太阳）的轨道是有帮助的。这些轨道不是完美的圆形，而是椭圆路径，其方向可能会显著变化。升交点经度帮助天文学家和科学家指定这些轨道相对于固定空间点的倾斜和旋转。如果没有这个参数，准确预测天体何时何地出现在天空中将变得困难。在卫星技术的背景下，升交点经度尤其重要。例如，在发射卫星时，工程师必须仔细计算其轨道参数，以确保它达到所需的高度和倾角。升交点经度是这个计算中的关键因素，因为它决定了卫星相对于地球表面的路径。如果升交点经度没有正确设置，卫星可能会进入意外的轨道，这可能导致通信失败或与太空中其他物体发生碰撞。此外，升交点经度在行星形成和演化研究中也具有重要意义。通过分析各种天体的升交点经度，科学家可以获得关于塑造其轨道的引力相互作用的见解。例如，围绕其行星的卫星轨道可以揭示有关行星形成历史和早期太阳系动态的信息。总之，升交点经度是天文学和天体物理学中的基本概念，有助于理解轨道的动态。它作为预测天体位置、促进卫星发射和揭示行星形成奥秘的重要工具。随着我们继续探索宇宙，掌握像升交点经度这样的概念对于科学进步和太空探索的实际应用变得越来越重要。