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- Lunar Orbiter Satellite 月球轨道卫星
- Solar perturbation of the lunar orbit. 出差由于太阳引力引起的月球轨道运动的摄动
- The first spacecraft of the program, Chang\'e 1, an un-manned lunar orbiter was successfully launched at Xichang Satellite Launch Center on October 24, 2007. 这个计划的首颗非载人绕月卫星嫦娥一号，已于2007年10月24日在西昌卫星发射中心成功发射。
- The farthest point on the lunar orbit is called apogee. 而绕月轨道里地球最远的点则为远地点。
- lunar orbiting satellite 月球轨道卫星
- The booster was Saturn C-3 and the key technique was lunar orbit rendezvous. 采用萨杜恩C-3运载火箭，关键技术是月球轨道会合。
- China's first lunar orbiter has made a successful lift off from its launch site in the southwest of the country. 中国首颗绕月探测卫星成功在位于中国西南的发射基地发射升空。
- But due to its limited coverage, inter-satellite link is the future emphasis in the feild of low earth orbit satellite. 低轨道卫星是卫星通信的发展趋势,但单星覆盖范围小决定了星间链路技术是将来发展的重点。
- TOKYO, Japan (AP) -- Japan is set to launch its first lunar orbiter this summer, but exploring the moon is just part of the mission. 日本,东京(美联)-日本即将本年夏天发射第一枚绕月轨道卫星,但探索月球仅仅是此次任务中的一部分。
- The 2008 lunar orbiter could fill in the gaps by charting the moon's surface with radar imaging, laser altimetry and high-resolution spectroscopy. 而2008年的绕月卫星，便能藉由雷达成像术、雷射高度计以及高解析度的光谱仪，来绘制月球表面以便填补落差。
- The engine ignition) Last month, Japan launched a lunar orbiter, the most technically complex mission to the moon since the Apollo program of the 1960s. 发动机点火)上个月，日本发射了一个绕月卫星，这是自1960年代的阿波罗发射以后，卫星飞向月球技术上最复杂的任务。
- This paper investigates the least maneuver velocity through the tolerable apolune and other lunar orbit elements. 另外，第一次近月制动失败后，卫星飞行大约15小时将飞离月球影响球。
- Options given by the poll organizers included broad topics such as food safety and environment protection and hot stories like the launch of the Chang'e I lunar orbiter. 调查中的其它选项还包括：食品安全、环境保护，以及一些诸如“嫦娥一号环月卫星升空”的热门话题。
- Following the promoting Chang’E-1 lunar orbiter mission, the lunar landing mission and sampling return lunar mission are also considered by Chinese scientists and engineers. 伴随着绕月探测计划嫦娥-1的实施，中国科学家和工程师们也在考虑月球着陆探测和采样返回探测计划。
- Development and applications of gravimetry and satellite-borne gravimetry are reviewed. Relations among the rectangle coordinates, Keplerian elements, Hillian elements and Equinoctial elements to describe the motion of low earth orbit satellite are given. 回顾了重力测量和卫星重力探测技术的发展和应用，阐述了描述低轨卫星状态的直角坐标、Kepler根数、Hill根数和Equinoctial根数之间的相互关系，认为Hill根数和Equinoctial根数能够避免由卫星轨道奇异带来的计算问题，分析了低轨卫星的受摄运动，给出了摄动模型。
- Since the orbiter, the Command Module, had already been thoroughly tested, a decision was made in August 1968 to send Apollo 8 into lunar orbit instead. 由于轨道舱和指令舱已经全部测试完成，于是就决定在1968年8月先把阿波罗8号发送到月球轨道。
- The design results of the example constellation show that the self-stabilization design is effective to enhance the configuration stability of the elliptical orbit satellite constellation. 对实例星座的设计结果表明，自稳定设计方法对提高椭圆轨道星座的构型稳定性是有效的。
- Abstract.The first orbit maneuver of lunar orbit insertion (LOI) must be implemented at the first perilune of the spacecraft flight to the moon. 摘要: 月球捕获控制第一次制动必须在卫星飞向月球的第一近月点完成。
- This Earthrise as well as the famous Earthrise captured 40 years ago by the crew of Apollo 8, only occurs for observers in lunar orbit. 这张地出图与40年前阿波罗8号拍摄的著名地出一样只能是处在月球轨道上才能看到。
