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46. Kepler’s law of periods, expressed as a ratio, is
32
2
3
(1.52)
1y
MM
M
EE
aT
T
§·§·
§·
=
¡
=
¨¸¨¸
¨¸
©¹
©¹©¹
where we have substituted the meandistance (from Sun) ratio for the semimajor axis
ratio. This yields
T
M
= 1.87 y. The value in Appendix C (1.88 y) is quite close, and the
small apparent discrepancy is not significant, since a more precise value for the semi
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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