sun-synchronous orbit

We can draw the earth's orbit round the sun.

我们可以画出地球绕太阳运行的轨迹.

The rocket fills the gap in China's launch capability to the sun-synchronous orbit from 3 ton to 4.5 ton, and is of great significance for accelerating the upgrading of launch vehicles, according to the CNSA.

国家航天局表示，长征八号填补了我国太阳同步轨道3吨至4.5吨运载能力空白，对加速推进运载火箭升级换代具有重要意义。

An orbit prediction program based on epoch state filter is designed. Then sun-synchronous orbit is taken as an example to generate the base track, amend two-line elements and predict medium and long term orbit.

设计了基于历元状态滤波的轨道预报方案，以太阳同步轨道为例生成基准轨道，并进行了双行元修正和中长期轨道预报仿真。

The CBERS-1 is the first sun-synchronous orbit earth resource satellite cooperatively developed by China and Brazil.

中巴地球资源卫星一号（CBERS-1）是中国和巴西合作研制的第一颗运行在太阳同步轨道上的地球资源卫星。

The determination method of descending/ ascending node, longitude of ascending node and frozen orbit parameters for sun-synchronous orbit satellite design was analyzed on the basis of six general orbital elements.

在轨道六要素的基础上，分析了卫星太阳同步轨道设计时降（升）交点地方时、升交点赤经，以及冻结轨道参数等的确定方法。

A constellation of polar-orbiting satellites, equally spaced around a sun-synchronous orbit to provide continuous coverage over any given place, could solve this.

一个由极轨卫星组成的等间距分布在太阳同步轨道上的提供任何地点连续覆盖的星座可能解决这个问题。

the earth's orbit around the sun

地球环绕太阳的轨道

Repeat sun-synchronous orbit is one of the most important orbits for earth observation missions, because the orbit can satisfy the requirements of illumination and temporal resolution.

太阳同步回归轨道既可以满足光照条件的要求，又可以满足时间分辨力的要求，是对地观测航天器首选轨道之一。

All the planets orbit the Sun in roughly the same plane, round its equator.

所有的行星大致在同一平面上绕太阳赤道运转。

The satellite smoothly entered into the nearly circular Sun-synchronous orbit, and all the equipments were in working order.

卫星顺利进入近圆形太阳同步轨道，星上仪器工作正常。

Let's take the Earth going around the sun, and let's approximate the orbit by a circle.

假设地球绕这太阳转，的轨道是个圆圈。

The earth takes a year to orbit the sun.

地球绕太阳一周要一年的时间。

That's a sun-synchronous orbit where the satellite tracks but never moves into the Earth's shadow.

这是一个太阳同步轨道，卫星在轨道上运行，但不会进入地球的阴影。

The on-board autonomous term orbit prediction is built according to epoch state filter. And sun-synchronous orbit satellites are taken as examples for the simulation.

采用历元状态滤波建立了星上自主中长期轨道预报方法，并以太阳同步轨道卫星为例对算法进行了仿真验证。

The Long March-8 rocket has a total length of 50.3 meters, with a takeoff mass of 356 ton. It can carry a payload of at least 4.5 ton to a sun-synchronous orbit at an altitude of 700 km.

长征八号运载火箭全长约50.3米，起飞质量约356吨，700公里太阳同步轨道运载能力不小于4.5吨。

The effect of the flat rate of the earth on the orbit planes of satellites is discussed and the design principle of sun-synchronous orbit of satellites is introduced.

讨论地球扁率对人造地球卫星轨道平面的影响，介绍卫星的太阳同步轨道设计原理。