标准重力参数 Standard gravitational parameter
（重定向自Heliocentric gravitational constant）
在太空动力学上，一个天体的标准重力参数 
是万有引力常数 
和它质量：
标准重力参数的单位是 kms
Heliocentric gravitational constant
中文百科
英语百科
Standard gravitational parameter 标准重力参数
（重定向自Heliocentric gravitational constant）
In celestial mechanics, the standard gravitational parameter μ of a celestial body is the product of the gravitational constant G and the mass M of the body.
For several objects in the Solar System, the value of μ is known to greater accuracy than either G or M. The SI units of the standard gravitational parameter are m s.
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