Mean Motion

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mean motion [′mēn ′mō·shən]

(astronomy)

The speed which a planet or its satellite would have if it were moving in a circular orbit with radius equal to its distance from the sun or a central planet with a period equal to its actual period.

Mean Motion

an element, or parameter, of the orbit of a celestial body that characterizes the dimensions of the orbit. The relation between the mean motion and the semimajor axis of the orbit is given by Kepler’s third law: the larger the semimajor axis, the more slowly the body, on the average, moves in its orbit. (SeeORBIT OF A CELESTIAL BODY.)

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No references found			Also, the extrasolar system around HD 37124 that consists of two planets with periods of 155 and 31 days shows a 5:1 mean motion resonance, so even the particular commensurability seen for HD 202206 is not new. All together now by Cowen, R. / Science News These enhancements mean motion and displacement can be applied and removed several times throughout the course of an analysis, as in the application and release of a brake pedal. Advances in Mechanical Event Simulation Technology Provide Engineers ... by Business Wire			mean deviation mean difference mean diurnal high-water inequality mean diurnal low-water inequality Mean Downtime mean draft mean effective pressure mean evolute Mean Free Path mean gradient mean height of burst mean high water mean high-water lunitidal interval mean high-water neaps mean high-water springs mean higher high water mean latitude mean life mean low water mean low-water lunitidal interval mean low-water neaps mean low-water springs mean lower low water mean lower low-water springs mean map Mean Motion mean neap range mean neap rise Mean Noon mean normal stress mean place mean point of impact mean point of impact error Mean Position mean power mean pressure mean profile Mean Proportional mean range mean rank method mean rise interval mean rise of tide mean river level mean sea level mean sidereal time mean solar day mean solar second Mean Solar Time mean specific heat mean spherical intensity mean spring range			Mean Manhours Per Processed Hour mean map mean marrow dose mean marrow dose Mean Matched Population Weight Mean Maximum Peak Voltage Mean Message Response Time Mean Mid-Expiratory Flow Mean Mid-Systolic Ejection Rate Mean Miles Between Failure Mean Miles Between Hardware Mission Failures Mean Miles Between Mission Failures Mean Miles Between Operational Mission Failures Mean Miles Between Repairs Mean Miles Between System Abort Mean Miles Between System Failures Mean Miles Between Unscheduled Maintenance Actions Mean Minimal Luminal Diameter Mean Minimum Oxygen Saturation Mean Mission Duration Mean Mister Mustard Mean Mitotic Activity Rate Mean Molecular Area Per Molecule Mean Mom Mean Monthly Air Temperature Mean Motion Mean Moves Between Failure Mean Multi-State Achievement Worth Mean Multi-State Fussell-Vesely mean neap range mean neap rise Mean Nearest Neighbour Distance Mean Net Log Reductions mean no offense Mean noon Mean noon Mean Normal Predicted Red Cell Mass Mean Normal Prothrombin Time mean normal stress Mean Normalized Bias Error Mean Normalized Gross Error Mean Normalized Range Standard Deviation mean normalized systolic ejection rate Mean Normalized Time Standard Deviation mean nothing Mean Nuclear DNA Content Mean Nuclear Elongation Factor Mean Nuclear Regularity Factor Mean Nuclear Volume Mean Number of Class Attributes Mean Number of Class Methods

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