開(kāi)普勒三定律與地球公轉(zhuǎn)軌道參數(shù)的討論
發(fā)布時(shí)間:2019-01-04 18:02
【摘要】:分別從拉格朗日量、龍格-楞次矢量以及微分方程出發(fā),由萬(wàn)有引力定律導(dǎo)出了開(kāi)普勒三定律,并積分得到開(kāi)普勒方程與軌道周期.利用文獻(xiàn)中的數(shù)據(jù)計(jì)算了地球公轉(zhuǎn)軌道的偏心率和周期,發(fā)現(xiàn)有的文獻(xiàn)給出的地球近日點(diǎn)和遠(yuǎn)日點(diǎn)速率值使得計(jì)算結(jié)果和觀測(cè)值之間存在較大的不一致.分析其原因并給出了速率的修正值,從而保證了計(jì)算結(jié)果和觀測(cè)值之間的自洽性.
[Abstract]:From Lagrange quantity, Runge-Lenz vector and differential equation, Kepler's three laws are derived from the law of universal gravity, and the Kepler equation and orbital period are obtained by integral. The eccentricity and the period of the Earth's orbit are calculated by using the data in the literature. It is found that the values of the rate of perihelion and apogee given in some literatures make the calculated results and the observed values more inconsistent. The reason is analyzed and the correction value of the rate is given so as to ensure the self-consistency between the calculated results and the observed values.
【作者單位】: 北京大學(xué)附屬中學(xué);
【分類號(hào)】:O314
本文編號(hào):2400610
[Abstract]:From Lagrange quantity, Runge-Lenz vector and differential equation, Kepler's three laws are derived from the law of universal gravity, and the Kepler equation and orbital period are obtained by integral. The eccentricity and the period of the Earth's orbit are calculated by using the data in the literature. It is found that the values of the rate of perihelion and apogee given in some literatures make the calculated results and the observed values more inconsistent. The reason is analyzed and the correction value of the rate is given so as to ensure the self-consistency between the calculated results and the observed values.
【作者單位】: 北京大學(xué)附屬中學(xué);
【分類號(hào)】:O314
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