[TML] The proper year length of a super jovian

Jerry W Barrington jursamaj at yahoo.com
Mon Feb 4 14:05:06 MST 2008


On 2/4/08 3:10 PM, "Anthony Jackson" <ajackson at iii.com> wrote:

> Jerry W Barrington wrote:
> 
>> As Gary's post showed, you want as large a difference as the number of
>> significant digits you'd like (factor of 100 for 2 digits).  I'd call 2
>> significant digits a *minimum*.
> 
> Remember, if you have two significant figures, you have considerable
> uncertainty in the second digit. At a mass of 10% of the primary, that
> works out to an error of not more than 5% in year length. Considering
> that non-computerized system generation tools typically have uncertainty
> of more than 10% in the mass of the primary star, any errors caused by
> the superjovian are relatively minor.

:)

The system I'm working on will have *much* better precision.  Of course I
have to get the base source to compile first...



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