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Re: Calculating the mass of the sun by an improved method

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From Sylvia Else <sylvia@not.at.this.address>
Newsgroups sci.physics
Subject Re: Calculating the mass of the sun by an improved method
Date Thu, 14 Jan 2016 11:54:38 +1100
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On 13/01/2016 6:00 PM, Peter Riedt wrote:
> Calculating the mass of the sun by an improved method
>
> The usual method to calculate the mass of the sun is by the formula
>
> Msun = 4pi^2*(1 AU)^3/G*(1 Yr)^2 =
> (4*3.14^2/149597870700^3)/(6.674E-11*31558464^2) = 1.986449857E+30.
>
> This method is unreliable because the value of AU is an estimate.

I'd have thought we had a pretty good handle on it.

>
> Another method can be used instead in two steps:
>
> Calculate first GM by the formula GM = r*v^2 using the distances and velocities of nine solar planets. The result for GM in each instance is 1.32716E+20:
>
> 	        r(m)	             v(m)	         GM=r*v^2
> MER 	   57,910,000,000	47872.331186690100	1.327158270E+20
> VEN 	  108,210,000,000	35020.928829168200	1.327158270E+20
> EAR 	  149,600,000,000	29784.859929434700	1.327158270E+20
> MAR 	  227,920,000,000	24130.712240913500	1.327158270E+20
> JUP 	  778,570,000,000	13056.071691050500	1.327158270E+20
> SAT 	1,427,000,000,000	 9643.826140121100	1.327158270E+20
> URA 	2,871,000,000,000	 6798.995638532940	1.327158270E+20
> NEP 	4,497,100,000,000	 5432.441851833260	1.327158270E+20
> PLU 	5,913,000,000,000	 4737.589410729630	1.327158270E+20
>

Remarkable - the orbit radii are all an exact multiple of 10,000,000 
metres. Even that of the Earth, despite AU being an estimate. Who'd have 
believed it.

Sylvia.

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Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-12 23:00 -0800
  Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-13 08:37 +0100
    Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-13 00:21 -0800
      Re: Calculating the mass of the sun by an improved method Poutnik <Poutnik4NNTP@gmail.com> - 2016-01-13 10:34 +0100
        Re: Calculating the mass of the sun by an improved method Poutnik <Poutnik4NNTP@gmail.com> - 2016-01-13 11:20 +0100
          Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-13 15:11 -0800
            Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-14 07:10 +0100
  Re: Calculating the mass of the sun by an improved method Sylvia Else <sylvia@not.at.this.address> - 2016-01-14 11:54 +1100
    Re: Calculating the mass of the sun by an improved method R Kym Horsell <kym@kymhorsell.com> - 2016-01-14 02:33 +0000
    Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-13 18:46 -0800
      Re: Calculating the mass of the sun by an improved method R Kym Horsell <kym@kymhorsell.com> - 2016-01-14 02:53 +0000
        Re: Calculating the mass of the sun by an improved method R Kym Horsell <kym@kymhorsell.com> - 2016-01-14 10:51 +0000
          Re: Calculating the mass of the sun by an improved method "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2016-01-17 22:39 -0800
      Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-14 07:19 +0100
      Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-14 08:10 -0600
  Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-14 07:17 +0100
    Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-14 07:43 +0100
    Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-14 00:20 -0800
      Re: Calculating the mass of the sun by an improved method Poutnik <Poutnik4NNTP@gmail.com> - 2016-01-14 16:04 +0100
        Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-14 16:34 -0800
          Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-15 07:35 +0100
            Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-15 07:46 +0100
              Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-15 00:14 -0800
                Re: Calculating the mass of the sun by an improved method Poutnik <Poutnik4NNTP@gmail.com> - 2016-01-15 11:11 +0100
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-15 04:53 -0800
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-15 11:17 -0600
                Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-15 21:15 +0100
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-15 15:43 -0800
                Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-15 18:25 -0600
                Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-15 19:22 -0600
                Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-16 07:56 +0100
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-16 19:41 -0800
                Re: Calculating the mass of the sun by an improved method benj <none@gmail.com> - 2016-01-16 23:15 -0500
                Re: Calculating the mass of the sun by an improved method jimp@specsol.spam.sux.com - 2016-01-17 06:03 +0000
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-17 00:06 -0800
                Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-17 10:28 +0100
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-17 10:43 -0800
                Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-17 19:51 +0100
                Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-17 19:54 +0100
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-17 18:32 -0800
                Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-17 20:40 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-17 22:10 -0800
                Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-18 08:06 +0100
                Re: Calculating the mass of the sun by an improved method john <johnsefton288@gmail.com> - 2016-01-18 04:37 -0800
                Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-18 08:05 -0600
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-18 13:18 -0600
                Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-18 08:03 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-18 12:22 -0800
                Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-19 08:28 +0100
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-19 09:26 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-19 16:19 -0800
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-19 18:39 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-19 17:18 -0800
                Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-19 20:23 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-19 19:33 -0800
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-20 07:10 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-20 08:25 -0800
                Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-20 11:33 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-20 16:45 -0800
                Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-20 19:00 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-20 17:20 -0800
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-21 08:18 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-21 09:20 -0800
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-21 11:38 -0600
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-21 11:44 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-21 16:58 -0800
                Re: Calculating the mass of the sun by an improved method pnalsing@gmail.com - 2016-01-21 17:40 -0800
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-21 20:11 -0800
                Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-22 09:06 +0100
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-22 07:39 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-21 17:01 -0800
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-22 07:38 -0600
                Re: Calculating the mass of the sun by an improved method benj <none@gmail.com> - 2016-01-21 20:36 -0500
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-22 07:37 -0600
                Re: Calculating the mass of the sun by an improved method Lawrence Senreich <lawest@galaxyredeems.org> - 2016-01-22 13:44 +0000
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-22 07:55 -0600
                Re: Calculating the mass of the sun by an improved method benj <none@gmail.com> - 2016-01-22 13:49 -0500
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-23 12:02 -0600
                Re: Calculating the mass of the sun by an improved method Tom Roberts <tjroberts137@sbcglobal.net> - 2016-01-23 13:27 -0600
                Re: Calculating the mass of the sun by an improved method Maciej Woźniak <mlwozniak@wp.pl> - 2016-01-23 21:56 +0100
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-23 12:02 -0600
                Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-22 20:46 +0100
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-22 16:09 -0800
                Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-22 18:21 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-22 17:45 -0800
                Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-22 22:30 -0600
                Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-22 23:13 -0800
                Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-23 08:32 -0600
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-23 12:08 -0600
                Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-20 11:56 -0600
                Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-18 08:04 +0100
                Re: Calculating the mass of the sun by an improved method jimp@specsol.spam.sux.com - 2016-01-17 18:56 +0000
                Re: Calculating the mass of the sun by an improved method Poutnik <poutnik4nntp@gmail.com> - 2016-01-17 10:26 +0100
          Re: Calculating the mass of the sun by an improved method Odd Bodkin <bodkinodd@gmail.com> - 2016-01-15 10:49 -0600
  Re: Calculating the mass of the sun by an improved method Sam Wormley <swormley1@gmail.com> - 2016-01-14 18:58 -0600
    Re: Calculating the mass of the sun by an improved method Peter Riedt <riedt1@yahoo.co.uk> - 2016-01-14 19:53 -0800

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