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insoniakeys/meeus (press backspace or delete to remove)

jde := julian.TimeToJD(time.Now()) var e planetelements.Elements planetelements.Mean(planetelements.Earth, jde, e) earthSemiMajorAxis := e.Axis fmt.Println( semi-major axis of Earth: , earthSemiMajorAxis) ...
  • chrissnell
  • 2
  • Opened 
    on Jan 19, 2024
  • #19

I m working on a port of your great library to Dart https://github.com/shawnlauzon/meeus. While doing that, I noticed that one of my ported tests failed which seems correct. Both implementations generate ...
  • shawnlauzon
  • 2
  • Opened 
    on May 6, 2020
  • #18

Hi @soniakeys , First, thanks for your pretty library. This is really nice to go thru Astronomical Algorithms chapter by chapter with individual packages. It seems that there s little mismatch between ...
  • mooncaker816
  • 11
  • Opened 
    on May 13, 2018
  • #15

When I run tests from meeus dir I get fails due to not finding the VSOP87B files. I did download them and set up a Windows environment variable. I m a Go noob. I cant tell if the fails are due to the slash ...
  • achalmers
  • 3
  • Opened 
    on May 8, 2018
  • #14

Just wanted to say thanks for putting this work out there. I ve got a copy of the book on the way, and I m really excited about learning the material and putting it to work.
  • cweagans
  • 1
  • Opened 
    on Feb 22, 2018
  • #13

Hello: I ve been wanting to make a Meeusian php library for quite some time now, but I m too lazy to type in all those factors by hand. :) It looks like your package is the only one that s really complete ...
  • ultrablue
  • 2
  • Opened 
    on Nov 25, 2017
  • #12

More reported by email: I m referring to func (p *EclipticPrecessor) Precess, where the ecliptical angles λ and β are computed from the rectangular coordinates (A , B , C ) of the input λ0 and β0. It ...
  • soniakeys
  • 1
  • Opened 
    on Jun 21, 2017
  • #11

Reported by my very valuable email contact: Bug in planetposition.go The statement Lp := L - unit.AngleFromDeg(1.397T-.00031T*T) should implement L = L - 1.397 T - 0.00031 T² but this is L = L - (1.397 ...
  • soniakeys
  • Opened 
    on Jun 19, 2017
  • #10

Reported by email: I have found something that is bound to create an error in the positions of all moons. The computation of the latitudes, B, uses coefficients ( 0.0006393 etc) that are radians, not ...
  • soniakeys
  • 1
  • Opened 
    on Jun 9, 2017
  • #9

In the coord package, there s one globe.Coord and one *globe.Coord. In other packages it looks like the non-pointer globe.Coord is used. But then why *Obliquity?
  • soniakeys
  • Opened 
    on May 18, 2017
  • #8
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